Feature: 1. Widely used in street lights, factories, advertising signs, production equipment, radio and television equipment, stage and other power equipment that need to be turned on and off regularly. 2. 16 on 16 off, minimum time interval to every second. 3. DIN Rail mounting method, simple and convenient installation, saving time and effort. 4. Mechanical life: no less than 30,000 times; electrical life: no less than 10,000 times. 5. 1.6 Inch large screen display, the reading is more clear and convenient. Specification: Item Type: Timer Switch Model: TM622 Power Supply Voltage: 50Hz AC220V Conventional Thermal Current: Ith16A Rated Working Current (Ie): AC-15 220V 3A Timing Error: No more than 1s / d Power: 1.5W Display: 1.6 Inch display large screen Timing Setting Range: 1 minute to 1 week Number Of Timing Settings: 16 groups Mechanical Life: Use no less than 30,000 times Electrical Life: Use no less than 10,000 times Installation: DIN Rail mounting Battery Type: Ni-MH battery Battery Model: NI-MH40H Battery Nominal Capacity: 40mAh Scope Of Application: Street lights, factories, advertising sign lights, production equipment, radio and television equipment, stage and other power equipment that need to be turned on and off regularly.. Package List: 1 x Timer Switch 1 x English Manual Note: Due to manual measurement, there are slight errors, thank you for your understanding.