Smart Astronomical Time Switch: Automatically turns on/off at preset sunrise/sunset times based on your location, eliminating the need for manual adjustments. Latitude settings range from 0° to 70°, ensuring precise operation tailored to your area. Versatile Latitude Switch: Customize your timer with latitude settings from 0° to 70° and longitude from -180° to 180°, accurate to 1 degree. This feature allows for seamless adaptation to changing sunrise and sunset times throughout the year. Advanced Digital Astronomical Timer Switch: Equipped with a built-in perpetual calendar from 2017 to 2042, this switch offers 8 programmable settings and automatic adjustments for sunrise and sunset times, perfect for precise time management. Convenient Sunrise Sunset Timer: Adjusts automatically to sunrise and sunset times based on longitude, latitude, date, and time zone. The timer supports both 12-hour and 24-hour formats, providing flexibility and ease of use. Reliable Timer Control Switch: With a time zone range of +12 to -12, this switch accommodates global use, automatically adjusting to your local sunrise and sunset times. Ideal for those seeking a dependable and adaptable timing solution. Specification: Origin: Mainland China Power supply voltage: 85-265V (V) Power consumption: 1 (W) Shell material: ABS Product size: about 86.00x66.00x36.00mm Product size: 3.39x2.6x1.42inch Specification: 30A Color: As Shown Material: ABS Package Contents: 1*Time Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.