Giới thiệu Thiết bị phát hiện khói không dây 433mhz cảnh báo cháy chạy bằng pin có chỉ báo LED

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)