315MHZ 433MHZ Wireless Doorsensor Anti-Theft Emitter Alarm System with Magnetic Strip

Features: 1. New and easy to use. 2. High quality and long service life. 3. A 12V 23A battery is included. 4. You can use it on window, door, drawer, safe and wherever you want to keep safe. Specification: -Shell Color: White -Voltage: 12 V -Eletric Current: 21 A -Quiescent Current: 5 mA -Working Frequency: 315MHz, 303MHZ, 433MHZ -Frequency Deviation: ±0.2MHz -Transmitting Power: >15mw -Transmitting Distance: >100m -Transmitting Time: 1.5S-3S -Effective Magnetic Distance: Pull-15 mm, Release-30 mm Working Principle: The doorsenor is consist of emitter and magnetic stripe. When the emitter keep a distance with the magnetic stripe below 1.5cm , the emitter will keep silent. On the contrary, the alarm indicator light will turn on and the emitter will send a message to the host. Notes: 1. Check if the IC code is right. 2. Reduce the distance between the host and the emitter. 3. Avoid the reinsforced concretewall and appliances Between the host and the emitter. 4. Do not mount on the position which is rainy or wet. Package Included: 1 x Door Window Magnet Sensor 2 x Double-sided Stickers 1 x 12V 23A BatteryDetail Pictures: