cheap smoke alarm detector with CE certification alarm for smoke fire

  Product name : Network smoke alarm detector   Model VIP-909P   Features of smoke detector alarm :   1, CPU processing adopted 2, Auto reset/reset after power off 3, Infrared photoelectric sensor 4, Networked output: N.C/N.O optional 5, LED smoke alarm 6, Metal shield with high frequency immunity 7, Best adaptability with environment for smoke alarm 8, High density SMT design,high steady,sensentivity adjusted 9, Unique structure with dustproof, anti-fly, anti-light design 10, 4-wired smoke detector( (for home burglar alarm)   Technical Parameters of smoke detector alarm  :   1, Operating voltage:DC24V 2, Standby current:≤1.2mA 3, Alarm current:≤10mA 4, Operating temperature:-10°c ~+50°c 5, Operating humidity:≤ 95%RH 6, Alarm type:Network alarm /LED alarm 7, Detecting area:20 square meter 8, Sensitivity grade:1class 9,  Smoke Alarm output:relay output N.C/N.O. optional 10, Sensitity of smoke detector alarm:Users can adjust it according to requirements 11, Size:¢104*51mm 12, QTY:100PCS/CTN 13, N.w:22KG 14, G.w:23KG 15, CTN SIZE:57*31.5*45.5CM