Packet content:
1  x Alarm sensor
2  x Remote control
1  x Mount 

Features:
Protect and deter intruders in both your home and office with  this wireless remote control motion sensor alarm.
Ideal for use in Garages and Sheds.
Wireless, infrared detector,  motion-activated
Include 2 direct infrared remote control,
Adjustable mounting unit
Easy to install
105 dB loudness
110 degree wide angle
The motion detector power by 4  AA batteries (not included)
The remote controller power by 3  AG13 batteries (not included)
Note: about 7 meters range for detection, after you arm the system.
When the alarm is triggered,it  will sound for 30-50 seconds.