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; suitable as a practical gift for family or friends. 3. Timer programming can be set by day or week; supports summer/winter time setting with 6 selectable display languages: EN/FR/DE/IT/ES/PT. 4. Operates without external power supply: press the Menu button to activate power reserve mode indicated by 3 blinking dots on screen. For operation with external power supply, connect voltage to terminals labeled L and N; two blinking dots indicate power is applied. 5. Relay contacts operate only when supply voltage is applied, allowing timer setup before connecting power. If programmed, the display shows actual time, weekday, summer/winter time setting, and channel status. If not programmed, language must be selected before setting 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 25°C Program Memory Location: 58 times 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)