Drop shopping High Sensitivity More Than 85dB CD21 Independent Wireless Smoke Detector Fire Alarm Sensor Gas Alarm

USD 7.69/setUSD 5.69/pieceUSD 3.39/pieceUSD 2.79/piece

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1.Easy installation
2.The built-in special IC,stable performance, high sensitivity;
3.The optical principle smoke measure the room,can accurate detection or fire from the early smoke
4.Can simulate alarm test for alarm;
5.Voltage alarm function,when the battery voltage is lower than 6.8V,issued a prompt remind users change the battery;
6.Alarm loudness:loudness is equal or greater than 85DB;
7.Temperature range;10-60 degree

Specifications:
1. Working Current: 1-Static Current: ≤ 12μ A 2-Alarm Current: ≤ 15mA
2. Operation Voltage: DC 9V Battery(NOT INCLUDED)
3. Alarm Sound: ≥ 85dB(10ft)
4. Ambient Temperature: -10 degree ¯ 60 degree
5. Ambient Humidity: ≤ 95%RH
6.Size: 113X38mm

Package included:
1x wireless smoke detector
2x screws
2x nuts