Smoke-Alarm sensor SS-168P CE Approval Smoke-Alarm sensor SS-168PCE APPROVALOutline:The wireless independent type smog sensor is suitable installs in thefew smoke, endures ... , passes Anter goodsmog alarm Can accurately examine the smog, when the smog densitysurpasses limits the quantity, the sensor sends out the acousto ... :34cmX57cmX42cm; q'ty/box:115pcs, weight:17.3kg/box Smoke Alarm sensor SS-168P