Digital Timer Relay Board Relay Module For W/ Dual For Time Display Timing Relay f54 T2310 Normally Open Microcomputer for Time Controller 12V 24V 110V 220V LED Digital Display for Time Delay Relay Switch Feature: Independent crystal oscillator, more accurate timing 1. Convenient direct output wiring 2. Add buzzer and audible alarm 3. Add pause button to stop urgently 5. Start and stop setting mode, provincial conversion, which is more convenient 6. Automatically save when power off, run automatically when power on 7. Timing units can be set separately, with 36 working combinations 8. Timing range: 0-999 seconds, minutes, hours 9. To count in minutes or hours, the digital tube flashes in seconds. Note: This product is a countdown operation and cannot be set to a 24-hour working mode. Controller type Normally open Operating Voltage DC12V DC24V AC110~220V Control circuit voltage DC12V DC24V AC110~220V Relay carrying power 240W 480W 10A(max) Recommended power Relay carrying power80% Relay type Normally open relay Power consumption 1W Relay service life 100000 Times Timing error 3s(in 24 hours) Weight 65g Size 67mm45mm 34mm Fixed way Embedded Hole 63mm42mm Package included: 1 * for Time Controller