Item:Independent AC220V with 9V backup battery smoke detector Voltage: 220V with 9V backup battery Detached ceiling installation, simple installation, no commissioning; Built-in dedicated IC, stable performance, high sensitivity; Optical principle smoke detection chamber, can accurately detect the initial fire smoke; Able to simulate alarm alarm test; Comes buzzer, independent alarm; 9V battery power supply, monitor the status of current <10uA,alarm current <12mA; Low-voltage alarm function, when the battery voltage is lower than6.8V, the beeper will sound to alert the user to replace the battery; Alarm loudness: loudness ≥85dB; Environmental conditions: temperature -10 ℃ ~ + 60 ℃, relative humidity ≤95% RH (40 ± 2 ℃); Protected area: alarm installation height of 6 meters or less, to protect an area of 60 square meters. Dimensions: Φ140X41mm Application: Home,office,hospital,school,commercial area,public area,etc
1. Excellent R&D team,OEM and ODM orders are accepted 2.Customer label/LOGO/Color box is supported 3.Aiming at the consult of "high quality,zero defect". 4.MOQ:1pcs is acceptable 5. Fast delivery 6.Professional technical support and strict testing to control the qualityof each product 7.Factory direct produce and sale,price is very competitive 8.24hours online service,customers inquiry or needs will be replied in 24hours. 9.Many years export experience,products already hot sell to more than 110countires.