Smoke sensor (with relay output) / smoke sensors modules / smoke detectors

Specification: 1,Voltage: DC9V; 2,Standby current: 10UA; 3,Induced current: <30MA ; 4,Output: relay always open/close, or output high or low; 5,Sensitivity: adjustable; 6,Operating Temperature: -5 ~ 50 °C; 7,Size: 68x48mm; Interface Definition 1,GND: GND; 2,DC9V: DC 9V 3,K: Relay pin (positive); 4,G: Relay public pin; 5,B: Relay pin (negative);