Specifications

Reflective photoelectric sensor to detect smoke from any source, especially smoldering fires
Monthly automatic calibration to readjust the detection threshold value
Powerful 95dB siren
Random supervision signals to verify system integrity
Alarm silence button
Self-diagnostic function to ensure optimum performance
Excellent stability with high sensitivity
Low battery detection
Frequency 868MHz
Powered by 3 AA alkaline batteries
4.3 year battery life
Operating temperature -10°C ~ +45°C
85% operating relative humidity (non-condensing)
Dimensions: Ø108 x 49 (H) mm
EN14604 certificate