Wire type: 22AWG Working voltage/current: 300V / 2A Temperature resistance: 80 degree centigrade Red line connecting VCC (ramps of +) Black wire connecting GND (ramps of -) Green Line connecting SIGNAL (ramps in s) Should be configured with at least three mechanical switches.(Under normal circumstances the system) 3-pin Cable Length: About 70cm/27.56inch Quantity:1set