433Mhz Wireless smoke detector alarm (‘alarm’ in short) is a household photoelectric smoke-detecting fire alarm, with the capability to detect smoke from the subtle beginning of fire event, make sound and light alarm in real time and send wireless alarm signal.

Low voltage alarm：The detector sends wireless low voltage code in the event of battery low voltage. Under the condition of continuous battery low voltage, detector sends low voltage code one time per 24 hours.

Power Supply：DC9V Lithium battery (6F22/9V)

Static Current：<10uA

Alarm Current: <100mA

Emission Distance：≥100m（open area）

Working temperature： 0℃ ～ +50℃

Relative humidity：≦95%RH，non-condensing

Alarm sound：>80dB

Frequency：433MHz