Features It is a timer relay countdown off module with high precision, stable and reliable performance. Trigger to connect, and will disconnect after delay time; if trigger during delay time, it will disconnect immediately. Normally the module will start to work when triggered, if you need module to work immediately after power on, connect 2 terminals of trigger. There is a wide time range, the delay time is adjustable from 1 second to 99 seconds, or 1 minute to 99 minutes; use a jumper to select second/minute. Designed with a LED display that will show the delay time. Specifications:Voltage: D12VLoad Capacity: 10A 250V AC; 10A 30V DCDelay Time: 1~99Sec./1~99Min.(adjustable)Size: 70 x 40 x 18mm / 2.75 x 1.57 x 0.7"Quantity: 1 Package Includes:1 x Timer Relay Module Package List 1 x Timer Relay Module