iMeshbean Motion Alarm/Chime Sensor Detector Wireless Home Security System with 2 Remote Control US Wireless, infrared detector, motion-activated;Ideal for use in Garages and Sheds. Easy to install ;Protect and deter intruders in both your home and office with this wireless remote control motion sensor alarm. 105 dB loudness; 110 degree wide angle; When the alarm is triggered,it will sound for 40 seconds. Package: 1 x Alarm sensor; 2 x Remote control;1 x Mount bracket