Capacitance and inductance meter backlight display

Related products

• 

  Solar Infrared Body Sensing Remote Control Alarm Lamp

  $ 37

  Product Information: Specification classification: N911F English manual Protection level: IP65 Light source type: LED Rated power: 3 (W) Voltage: 3.7 (V) Sunshine time: 10 (h) Dimensions: 90*90*85 (mm) Life: 100000 (h) Purpose: Security alarm Style: European Switch type: manual + remote control Charging method: solar charging Colour: Black

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  Smart Wireless GSM Store Door And Window Anti-theft Alarm

  $ 230

  Product information: Model: W2B Power supply: 5 (V) Probe input mode: wireless Type: Anti-theft alarm host Scope of application: residential quarters, buildings, warehouses, homes, garages, shops Number of defense zones: 100 Alarm method: GSM alarm Number of configurable wireless devices: 100 (pieces) Packing list: Anti-theft alarm*1 Product Image：

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  Installation-free Rainproof Large-volume Electric Car Alarm Bicycle Motorcycle Anti-theft Device

  $ 37

  Product information: Scope of application: Anti-theft alarm for motorcycles and electric vehicles Type: Vibration alarm detector Installation method: SMT type Communication method: On-site alarm Specifications: Add remote control, add host, 1 remote control and 1 host Colour: Black

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  Lost Device Mini GPS Tracker for Children and Elderly

  $ 69

  Product Information GT012 ultra-thin card-type small car personal GPS tracking device for the elderly and children cars and vehicles real-time tracking 1. Our GPS tracker can only be used with 2G GSM networks, and does not support 3G 4G or 5G networks. If your 3G 4G SIM card can also support 2G networks, you can use …

  Lost Device Mini GPS Tracker for Children and ElderlyRead More

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  Air Raid Alarm

  $ 89

  Technical Specifications Material: Aluminium alloy Operation: manual hand lever operated Color: Red Sound output: 110±2(dB) Audio frequency: 550±20(HZ) Transmission distance: 1000(Φm) Dimension Length: 115mm/4.5″ Width: 202mm/8″ Height: 9.1″ Features and Benefits Handle and Cranking Lever Folds.  No Power Supply Required.  Compact for Portability.  Powerful Universally Recognized Sound.  Manual Hand Crank Operated Air Raid Siren.  Produces …

  Air Raid AlarmRead More

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  Key Finder Artifact Whistle Key Lost-proof Device Voice Control Key Finder Accessory

  $ 7 – $ 8

  Product size: 5.5*3*1.5 cm No key ring Product Material: ABS + Electronic Components Packaging: Plastic packaging, the weight is about 30 grams! Are you still upset when you can’t find the key? Professional production of intelligent voice control key chains, help you solve your troubles! In order to make it more convenient for the elderly …

  Key Finder Artifact Whistle Key Lost-proof Device Voice Control Key Finder AccessoryRead More

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  Wireless Rolling Shutter Door Magnetic Smart Door Magnetic Detector Rolling Gate

  $ 14

  product information: Working temperature: -10℃～+50℃(℃) Weight: 300g feature: Professional manufacturer of security alarm system, first-hand supply, strength supply, quality assurance! Factory direct sales: transparent price, reduce the middlemen to make the difference! R & D support: Have a professional R & D team to provide technical support! Provide invoices: regular 16% value-added tax tickets and …

  Wireless Rolling Shutter Door Magnetic Smart Door Magnetic Detector Rolling GateRead More

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  Wireless Home Outdoor Waterproof Doorbell

  $ 31 – $ 45

  Product information: Power type: Communication Scope of Application: store, home, office, office, factory, etc. Receiver size: 8×7.6×3.3CM Feature: The transmitter adopts an imported infrared probe, with a 360 degree universal rotation and a 120 degree sensing area, with a sensing distance of 3-7 meters. It is IP44 waterproof, with a deep waterproof groove and a …

  Wireless Home Outdoor Waterproof DoorbellRead More

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  Wifi Alarm Household Wireless Smart Sound And Light Alarm

  $ 38 – $ 40

  Product information: Color classification: No plug Specifications: Without battery and plug, with temperature and humidity without battery and plug Description: Mobile APP remote alarm memory Anti-dismantling design in dedicated safety field Low voltage monitoring prompt function Wireless transmission signal, easy to install Send regular online reports about the gateway When the detector is activated, it …

  Wifi Alarm Household Wireless Smart Sound And Light AlarmRead More

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  bluetooth tracker key finder

  $ 56

  Size: 40x40x7.9mm Weight: 10g Shell material: aluminum alloy + polycarbonate Standby time: 10 months Battery model: CR2032 button battery Reminder volume: 85- -90dB Compatible platforms: IOS8.0 and above systems, Android4.3 above system

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  Human Body Induction Anti-Theft Alarm Door Handle Contact Induction Anti-Theft Alarm Touch Alarm

  $ 12

  Product information: Working voltage: 9 (V) Alarm current: 100 (mA) Detection angle: 360 Detection distance: 0.1 (m) Scope of application: Wooden door metal lock Installation method: Hanging Model: 902 door handle black Packing List: Alarm *1

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  Household smoke alarm

  $ 13

  Working voltage: 9V (V) Alarm current: 0 ~ 15 (mA) Detection angle: 120 degrees Quiescent current: 20 (uA) Working temperature: -30 ～ + 80 （℃） Detection distance: 60 (m) Transmission frequency: 50-60 (MHZ) Scope of application: Early fire prevention Type: Other alarm detectors Model SS-168 Installation method Ceiling type: Launch distance: 100 (m) Weight: 150 …

  Household smoke alarmRead More

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  Earthquake alarm detector

  $ 99

  A 9-volt battery is required for operation (not included) Model: L2000

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  Wired Pir Motion Sensor Passive Infrared Detector Wall Mounted Warning Alarm Relay Home Security System

  $ 17

  Product information: Working voltage: 9—16VDC（V） Alarm current: 17 (mA) Detection angle: 120 Quiescent current: 15 (uA) Working temperature: – 10 – 60 (℃) Detection distance: 6-10 (m) Scope of application: household, supermarket, school, bank Type: infrared alarm detector Installation method: wall-mounted Communication mode: wired Weight: 100 (g) Alarm mode: NC Packing list:  Infrared detector X1 …

  Wired Pir Motion Sensor Passive Infrared Detector Wall Mounted Warning Alarm Relay Home Security SystemRead More

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  Hotel Anti-sneak Shooting, Automatic Detection And Anti-eavesdropping Camera Signal Detector

  $ 126

  Product information: Alarm mode: sound mode Detection frequency band: 1-8000 (MHz) Model: K68 Working range: 0.1-10 (m) Working voltage: 5 (V) Dimensions: 140*62*30 (mm)     Features: Track terminator Machine multi-detection to protect privacy Highly sensitive chip Increase the scope of exploration and broaden the frequency of exploration Intelligent detection: Automatically identify suspicious signals Built-in …

  Hotel Anti-sneak Shooting, Automatic Detection And Anti-eavesdropping Camera Signal DetectorRead More

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  Anti-lost device

  $ 10 – $ 16

  Material: ABS plastic Color: black, white, red, blue, green Product size: 38*38*7mm Wireless distance: 10 meters

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  Business Trip Home Anti-theft Personal Infrared Alarm

  $ 18

  Product information: Brand: SAFETY ANGEL Angle of detection:60 Operating temperature:25 (° C) Range of detection:3 of m. Scope of application:Camping hotel Hotel home window/door Type:Infrared alarm detector Model:IN06C Installation Mode:flat Means of communication:wireless The weight of the: 45 (g) Function of lighting:LED lights Packing list: 1*Infrared alarm 1*The battery 1*Instruction Manual

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  Oval alarm female self-defense female anti-tracking alarm

  $ 7

  Model: Goose Egg Type: wolf guard Scope of application: safety protection for women, elderly and children Volume :≥ 120 (dB) Lighting function: none Working voltage: 6 (V)

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  Overflow Sensor Independent Alarm

  $ 28 – $ 41

  Product information: Scope of Application: shops, families, warehouses, residential areas, garages, etc. Specifications: Independent flooding, wireless flooding, graffiti WIFI Operating voltage: 3 Operating temperature: 0-70 Packing list: 1PC x Sensor Product Image:

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  High Precision Security Scanner Station Inspection Machine Detector

  $ 20 – $ 91

  Product information: Power supply: 9 (V) Alarm mode: sound and light alarm Measuring range: 50MM Detect metal size: Pin Dimensions: 410*85*45 (mm) Applicable scope: stations, subways, schools, factories to metal security checkpoints Type: Metal detector Features: 1, simple operation, convenient, stable performance, low failure rate. 2. There are two kinds of sensitivity, high and low. …

  High Precision Security Scanner Station Inspection Machine DetectorRead More

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  Anti-scratch touch of car alarm

  $ 53

  Type: One-way anti-theft device Type; Silent anti-theft Suitable for various 12V models This product includes: 1 integrated host speaker. 2 remote controls Specification: Main unit: Working voltage: DC 12 ±3V Static current:10 mA Siren: 10A Working frequency: 433.92MHZ Remote control: Working voltage: DC 12V Average static current:0 mA Battery:6V CR2016*2 About installation: The product need installed by the Profesionales with Car electrician certificated OR by oneself For 12V DC car  The item without central door lock functons . 

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  NUT2 generation anti-lost device

  $ 24

  Wireless distance: 10-20 meters Product size : 36*36*5.8mm Material : ABS The main function: Two-way anti-lost 2. One-click search 3. Lost positioning 4. Sharing management 5. Multitasking management

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  Domestic gas leak alarm

  $ 10

  Operating voltage; 110-220 (V) Alarm current; 20 (mA) Quiescent current; 40 (uA) Working temperature; -10 ~ + 50 (℃) Scope of application; kitchens, hotels, and other places where gas may leak Type; gas alarm Installation method: wall-mounted

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  Water level sensor

  $ 27

  Use occasion:. Water towers, water heaters, fish tanks, fish ponds, pumping pumps, the sensor automatically stops pumping when reaching the sensor, or pumping beyond the water level, can control high-current equipment base stations, machine rooms, libraries, garages, warehouses, archives, and other important occasions. Normally open normally closed signal output Features: When the water level is …

  Water level sensorRead More

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  Five In One Multifunctional Power Bank Rechargeable Charger SOS Alarm And Light For Emergency Outdoor Supplies

  Power Bank Alarm Manual 1. OperationPush the second gear to the first gear and press the lighting button to turn on the flashlight function. Press the lighting button again to turn on the call for help light function.ll. When the second gear is pushed open, the alarm sound will sound when the first gear is …

  Five In One Multifunctional Power Bank Rechargeable Charger SOS Alarm And Light For Emergency Outdoor SuppliesRead More

  Read more