VESTA radio smoke detector

Features

•      Alarm volume: 85 dB at 3 meters    
• Built-in siren for audible alert
•      Alarm silence function: 10 minutes per activation
•      Diagnostic function: test button for self-test including diagnosis of optical sensor
•      Excellent stability with high sensitivity
•      Low battery detection
•      Random monitoring signals for trouble-free system integrity verification
•      Digital signal processing
•      Detection method: reflective photoelectric sensor
•      EN14604 certification

Specs

•      RF frequency: 868MHz
•      Power: 3 AA alkaline batteries
•      Battery life of up to 4.5 years
•      -10 ° C ~ + 45 ° C operating temperature
•      Relative humidity up to 85% (without condensation)
•      Dimensions: Ø105 x 42 mm