433MHz Wireless Smoke Detector Battery Power Smoke Fire Alarm with LED Indicator

Features: The smoke alarm uses smoke sensors upgraded with the latest photoelectric technology to respond to dangerous smoke faster than traditional alarms, with a volume of over 85 decibels and LED lights flashing quickly, allowing you more time to control a fire or escape safely. Ensure the safety of your family and let you sleep soundly by providing reliable 24/7 uninterrupted protection. Easily mount it to any wall or ceiling using the included screws and anchor plugs. Specification: 100% brand new with high quality Rated voltage: 9V, 1x 6F22 battery(not included) Static current: ≤10uA Alarm current: ≤40mA Sound pressure level: 85dB (1m straight ahead) Battery low voltage warning: ＞2.2 V + / - 0.2 V Operating temperature: -10℃~+50℃ Relative humidity: ≤95%RH(40℃±2℃) Output form: sound and light alarm Temperature alarm: 57±5℃ Wireless frequency: 433Mhz Wireless distance: ≤ 100m (open environment) Package Included: 1 xWireless Smoke Detector Note: The colors may be a little difference for the different monitor display. Please check as much as possible to make sure the item is the one that you need. Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm)