Specification: Item Type: Trigger Delay Time Module Switch Material: ABS Motherboard Size: Approx. 65 x 35mm / 2.56 x 1.38in Timing Range: 0s-999min Adjustable Supply Voltage: DC 5V Output: DC 5-30V, AC 220V 10A Quiescent Current: 20mA Working Current: 50mA Life: >100000 Times Working Temperature: -40~85℃ How to Use: The countdown starts after power on. Press k1 for the first 3 times to set the power on time, and the last 3 times to set the power off time. Press K1 to change the position of the time setting, and press K2 to change the number. After the digital tube does not flash, press K2 to change the decimal point position. The timing range varies according to the decimal point position: XXX. Timing Range: 0~999 Minutes XX.X Timing Range: 0 ‑ 99.9 Seconds XXX Timing Range: 0~999 Seconds After finishing the time setting, you can long press K2 to switch the digital tube. Package List: 1 x Trigger Delay Time Module Switch