Ceiling alarm DA02: Centrally secured. With 360° all-round protection.Monitoring from above, centrally and safely. By installing it on the ceiling, the ceiling alarm DA02 enables a comfortable 360° monitoring of up to 6 m in diameter. The integrated motion detector immediately triggers a siren alarm upon movement.Effective protection by pressing a button.The integrated passive infrared motion detector (PIR) responds to body heat. As soon as a person enters the detection range, a loud 100 dB(A) siren is triggered. First for 45 seconds after the alarm has been triggered, the device remains ready for alarm. The arming and disarming of the device is comfortably possible by pressing a button on your remote control in the practical keychain format. With input and output delay, optimally suitable for securing any room, for house, store, office,and by the simple installation very quickly ready to use.This text is machine translated.