VDS smoke detector
1.9V Battery smoke detector
2.High alarm 85dB(3m) VDS smoke detector
3.Test button
4.Low battery ALARM

VDS smoke detector PW-507S is under BSI approval, and can be calibrated into either UL, VDS, NF Standards. This smoke detector features UL-approved Photoelectric sensing components with precise smoke detection. and long life (18 months) 9V battery operation (9V UltralifeLithium battery model for 10-year life is available too).9V Power Supply smoke detector, Meets CE, RoHS and EN14604Smoke detector Specifications/Special Features:Features: Works on principle that infrared scatters on smoke surfaceProbes smoke which is generated by incomplete combustion at initial stage of fireSmoke detector consists of photoelectric system, signal processing identification and alarm circuitInfrared scatters on surface of smoke when smoke enters darkroom of detectorPhotoelectric diode receives scattered light and generates photoelectric signal currentPhotoelectric signal generates alarm signal after being processed by identification circuit, accordingly purpose of alarming is achievedSpecifications: Material:ABS plasticPower supply:9V DC Block battery/PP3Quiescent current:8μAAlarm current:16mAOperating temperature:-10°C ~ +50°CHumidity:0 to 95%(40±2°C),no condensing or icingAlarm decibel:Louder than 85dB at 10feet(3 meters)Test button:To verify the proper functioning of smoke alarmLow voltage warning:Smoke alarm beeps every 40 seconds for 30 days (minimum) to indicate a need of battery replacementSmoke sensitivity:0.086 dB/m to 0.140 dB/mplease contact with us for more information of this smoke detector, welcome to establish business relationship with our company.PEASWAY is one leading manufacturer of fire and security alarm products, with years of experience in developing and manufacturing high quality smoke, fire, toxic gas detection and air quality related products, our main products cover smoke detectors (smoke alarm), heat detectors (heat alarm), carbon monoxide detectors (CO alarm), gas detectors (gas alarm), water detectors (water alarm), please feel free to contact with us: sales at peasway.com