Digital timers keep track of timing; to trigger an action, to start timing once triggered by an action, or both. Some products are programmable while others may be fixed at a set internal time and function. https://youtu.be/G9hslqGpsn4 Specification: Brand: Han young Model: BT3 Power: 100-240V ~ 50/60Hz Contact Rate: 3A 240V Package includes: 1 x Digital Timer Han young BT3 Facebook Instagram Pinterest