Feature: 1. The intelligent large-screen display has LCD backlight, which has the function of lighting and can be used at night. 2. Programmable timer, 24‑hour intelligent analog timing, and the time range is 1min‑168hrs. 3. Equipped with button batteries, and can be replaced at any time, no need to worry about power supply issues. 4. High intelligence and can save energy, and is often used to switch on and off timing operations of various home appliances. 5. Suitable for automatic control of power equipment such as water heaters, water dispensers, neon lights, advertising light boxes, etc. Specification: Item Type: Timer Switch Material: ABS Model: TM920AK Display Mode: LCD backlight Working Voltage: 85-265VAC Load: 30A Power Consumption: <5VA Time Range: 1min-168hrs Power Failure: 90 days Program: 96 times a day ON/OFF Average Error: <±2 seconds/day Temperature Range: -10-50℃ Humidity: <95% Installation Method: DIN RAIL Battery Parameters: Built-in button battery CR2450 3V 520mAh. Package List: 1 x Timer Switch1 x English User Manual Note: Please use it within the voltage range of 85‑265V.