... TL WP G IN 5V1)“6” for 5V power supply (not for connected with motherboard, for power adjusting of potentiometer, 5V current is ... 10mA);2)“TL” for high level, “TH” for low level, WP for water protection;3)“4” - G for the ground, “5” for the control input ... (light signal connect “2” when low level lighting), “4” for ground, “5” connected with power control analog signals, “3” and ...