Features:                                                                                                                 

-Specially design for rental apartment, villa, family security
-Wireless remote control to arm or disarm.
-Super loud alarm of 105dB, scare thief away.
-Powered by 2 pieces of AAA alkaline batteries(not included).
-Low power remind with LED indicator
-Magnetic sensor, door and window motion detector.
-Can easily mount to windows or doors with included double sides adhesive tape, no tools required.
-Door bell function, reminding people in house open door for you.
 
Specifications:                                                                                                        
Alarm size: 88 * 40 * 15mm / 3.3 * 1.6 * 0.6in
Alarm volume: 105 dB
Host Battery:  2 * AAA alkaline battery operation (not included)
Remote control battery: 1*27A12V ( included)
Remote Control Distance: about 30M without barrier
Battery life: more than 1 year
Working temperature: -10 ~ 60°C
Working humidity: <80%
Storage temperature: -20°C ~ 70°C
Alarm Host weight: 30g / 1.0oz
Magnet weight: 7g / 0.2oz
Magnet size: 46 * 10 * 11mm / 1.8 * 0.4 * 0.4in