1, Internet use DC 12 v normally open normally closed.

2, environmental conditions: temperature - 10 ℃ ~ + 60 ℃, relative humidity less than or equal to 95% RH (40 plus or minus 2 ℃);

3, protect area: alarm installation height 6 meters, protection area of 60 square meters. Built-in dedicated IC, stable performance, high sensitivity;

4, on the principle of optical smoke measure, can accurately detect the early fire smoke;

5, to simulate alarm alarm test.