AC 220V 230V LED Display Countdown Timing Timer Delay Turn OFF Time Relay Module
LED Display Dynamic Countdown Delay OFF Relay Module x 1. Module input power: AC220V / AC230V. Load power=Input power = Ouput power. Notice: This module uses RC step-down. Line board size: 9 x 4 cm. jumper in seconds, tuning range 1-99 seconds.