Product description:

Photoelectric sensor

Power supplied DC9V battery

Trig temperature for heat sensor : adjustable(60℃,70℃,80℃)

(Generally you can choose 70℃)

Red LED indicate alarm

Unique "battery missing" lockout

Low battery alarm

High sensitivity

Built in sounder to give a minimum sound output of 85dB at 3m Senses smoke using the light scatter principle-quick response to visible mouldering smoke

Test button simulates smoke used to check performance at least monthly

option current ≤40uA, alarm current ≤120mA