HENDUN Wireless Home Security burglar alarm Magnetic Sensor Door Window Alarm Super Loud 110dB Pool Door Alarm Pack of 4

Alarms for Doors and Windows The Magnetic Sensor Safety System detects motion of the entry and send a alarm to scare the intruder. Alarm Volume            110dB Function                      Anti-Theft  Color                           White Material                      ABS Plastic Battey life                  over 12 months Including items         1*alarm host, 1*magnetic sensor Weight                        35.4g Alarm type                 Wireless Detector mode            Magnetic door sensor Host battery               3*1.5V AG13 or LR44(included) Size                               9*35*13mm(magnetic sensor)  56mm*30mm*18mm (host) Working temp             -10?~60? Working humidity       < 80% operating current       ?80mA Storage temp             -20?~70? Not only can it be installed on the same plane, but also the door and the doorframe are not on the same plane.