Battery Powered Photoelectric Smoke Alarm with excellent stability and high-sensitivity. Key Specifications/Special Features Power Source: 9V Battery (not included). Audio Alarm: ≥ 85dB/3m Temperature Range: 0℃ to 40℃ Humidity Range: 5%-95% relative humidity(RH) Sensor: ...
Smoke alarm; 1.9V battery powered smoke alarm; 2. High sound 85dB (3m) smoke alarm; 3. Test/Hush button; 4. Low battery alarm; Smoke alarm PW-507SQ is under BSI approval, and can be calibrated into either UL, VDS, NF Standards. It features UL-approved Photoelectric sensing ...