Function: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 screen displays 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 an external power supply, simply press the menu button and 3 flashing dots will appear in the center of the screen, indicating the power reserve mode; to operate with an external power supply, first connect the supply voltage to the terminals marked L and N. When the supply voltage is applied, the two dots will flash.5. The relay contacts only operate when the supply voltage is applied, so the timer can be set before the supply voltage is connected. If the timer is programmed, the current time, day of the week, summer/winter time switching setting, and channel status will be displayed; if the timer is not programmed, the language must be selected before the time and date are selected.Specifications:Model: AHC812Material: ABSVoltage: AC 230V, 50HzCurrent: 16ANumber of channels: 2Terminal load power: ≤ 2300W (incandescent and halogen lamps), ≤ 170W (energy-saving lamps)Accuracy: ±2 sec./day at 25Program memory location: 58 timesItem size: 85 * 65 * 36 mm / 3.34 * 2.56 * 1.41 inchesItem weight: 154 g / 5.43 ozPackage weight: 175 g / 6.17 ozPackage size: 9.6 * 7.1 * 4.5 cm / 3.77 * 2.79 * 1.77 inchesPackage list:1 * Timer switch1 * User manual (English)