Brand N/A Model N/A Quantity 1 Color Green + Black Material Plastic + iron Features Operating voltage: DC 9V; Standby current: 10uA; Induced current is less than 30mA; Output relay normally open normally closed or the output high and low; Sensitivity adjustable; Operating temperature -5 -50'C; Smoke module wiring instructions Specification Black: Ground; Red: positive power supply DC9V; White: Relay normally open; Blue: relay common; Green: Relay normally closed terminal Application For your DIY project English Manual/Spec Have Other Hold down the test button 3S light starts flashing the relay normally open relay with common terminal connected. Can also be smoking cigarettes the smoke blowing maze 3S so light starts flashing the relay the relay normally open to the common terminal connected Packing List 1 x Smoke Sensor Module 2 x PH thread (pitch: 2.54mm length 180mm)