Features:
1.Easy installation
2.Battery-operated smoke alarm with photoelectric sensor
3.The built-in special IC, stable performance, high sensitivity;
4.The optical principle smoke measure the room,can accurate detection or fire from the early smoke
5.Can simulate alarm test for alarm;
6.Voltage alarm function,when the battery voltage is lower than 7.5V,issued a prompt remind users change the battery;
7.Alarm loudness:loudness is equal or greater than 85DB;
8.Working temperature range;-10-+50?

Specifications:
1. Working Current: 1-Static Current: ≤800uA 2-Alarm Current: ≤ ≤35mA
2. Operation Voltage: DC 9V Battery(INCLUDED)
3. Alarm Sound: ≥ 85dB
4. Ambient Temperature: -10ˉ 50
5. Ambient Humidity: ≤ 95%RH
6.Size: Φ105X60mm

Package included:
1x Smoke detector
2x screws
2x nuts