الوصف

Specification: *EN ****4 and CE standard *Power supply: 9V DC battery *photoelectric sensor *Radio frequency: **3.*2 MHz *radio link distance: *0 meters(min) in free space *maximum link number:*0pcs *Two-Tone LED *Red LED indicates alarm *Green LED indicates radio signal is received *"battery missing" lockout *low battery alarm *high sensitivity *Humidity range:*5% to *5% RH *operating temperature:**0°c to **0°c *buit-in sounder to give a minimum sound output of *5dB at 3m
*senses smoke using the light scatter principle
*quick response to Visible molding smoke
*Test *-use to check performance monthly