Feature: 1. The DIN rail time switch is made of high-quality ABS plastic, durable and designed for long-term use. 2. The digital LCD display shows date, time, and calendar; it can be used as a practical gift for family or friends. 3. Timer programming can be set by day or week; summer and winter time settings are supported. The device supports 6 display languages: EN, FR, DE, IT, ES, PT. 4. To operate without external power supply, press the Menu buttonthe three blinking dots in the center of the screen indicate power reserve mode. To operate with external power supply, connect the voltage to terminals labeled L and N. When power is applied, the two dots will blink. 5. The relay contacts operate only when supply voltage is applied, allowing the timer to be set before connecting power. If programmed, the timer displays current time, weekday, summer/winter time setting, and channel status. If not programmed, language must be selected first, followed by time and date. Specification: 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 25C Program Memory Locations: 58 events Item Size: 85 x 65 x 36mm / 3.34 x 2.56 x 1.41in Item Weight: 154g / 5.43oz Package Weight: 175g / 6.17oz Package Size: 9.6 x 7.1 x 4.5cm / 3.77 x 2.79 x 1.77in Package List: 1 x Timer Switch 1 x User Manual (English)