... certificates:CE TUV 4.protect your health and avoid fire smoke testerSmoke monitor /cigarette monitor CST-SM1 Function:Constantly ... speakers .6.No smoking indicator.Indicator blink When cigatette smoke is detected. Installation Description1,Please read the safety ... as gasoline, alcohol, petroleum products, etc.) may cause smoke monitor deformation or discoloration. 2.Dust may accumulate at the ...