GEREE DC 24V 1-Channel Relay Module Delay Turn On Relay with Timer Up to 1 Hours 24V Relay module delay ON up to 1 hour With 8 time ranges selected shortest 0.1s most up to 1 hour with input power indicator can be controlled AC 220V/10A /DC 0~30V / max.30A equipment. The operating voltage: 24 volts DC