1、The din rail time switch is made of high-quality ABS plastic, which is durable and can be used for a long time. 2、The digital LCD display shows date, time, and calendar, it can be used as a gift for your family or friends. 3、Timer programming can be set by day/week, summer/winter time can be set, 6 display languages can be set, EN/FR/DE/IT/ES/PT. 4、To operate without external power supply, simply press the Menu button and 3 blinking dots will be displayed in the center of the screen, which indicates the power reserve mode; to operate with external power supply, first connect the supply voltage to the terminals labeled L and N. When the supply voltage is applied, the two dots will blink. 5、The relay contacts only operate when the supply voltage is applied, so the timer can be set before linking the supply voltage. If the timer is programmed, the actual time, weekday, summer/winter time switching setting and channel status will be displayed; if the timer is not programmed, the language must be selected before selecting the time and date. Specifications: Model: AHC812 Material: ABS Voltage: AC 230V,50Hz Current: 16A Number of Channels: 2 Terminal Load Power: ≤ 2300W (incandescent and halogen lamps), ≤ 170W (energy-saving lamps) Accuracy: ＜±2 sec./day at 25℃ Program Memory Location: 58 times Item Size: 85 * 65 * 36mm / 3.34 * 2.56 * 1.41in Item Weight: 154g / 5.43oz Package Weight: 175g / 6.17oz Package Size: 9.6 * 7.1 * 4.5cm / 3.77 * 2.79 * 1.77in Package List: 1 * Timer Switch 1 * User Manual (English)