The SA-01 alarm contains infrared motion sensor with a range of 60 degrees and electronics performing notification in the range and a constant alarm (in case of violation). The infrared motion sensor (PIR) responds to infrared rays - such as body heat - when it enters the area of action.
Presence mode - set the switch to CHIME position. After 10 sec. is ready for operation - when passing in the range of the sensor you will hear a signal "bell" - 2 times
Alarm mode (range violation) - set the switch to ALARM position. After 10 sec. is ready for operation - when passing within the range of the sensor you will hear a "siren" signal
Detector range 8m (60º)
Battery-9V
Sound > 60db