（Local fast shipping）Daytech 1unit/3unit/5unit/10unit Wireless 433MHz Fire Detection Systems - Smoke Detector Fire Protection Home Alarm for Home Office Connect Alarm System Security Firefighters

【Product Introduction】 Standalone photoelectric smoke detector use high-performance ultra-low power consumption smart microprocessor working with the precise photoelectric sensor to process the collecting smoke concentration independently:Low-power consumption,stable performance,beautiful and durable casing.The smoke detector is powered by 1pc 3V CR17335 lithium battery,continuous for more than 10 years.This detector is widely used in internet bar,dancing halls,cafes,leisure rooms,residential areas etc.【Product Parameters】 Power Supply：1pc 3V CR17335 Lithium Battery Alarm Sound Pressure：80dB at 3m straight ahead Battery Life：10 years Working Environment：-10℃~50℃，＜95% RH (No condensation) Output Method：sound and flash Ventilating Speed：more than 5M/S 【Package Listing】 1Smoke Detector(Batteries included) 1Self-tapping Screws 1*English User Manual