Features: 1. This product automatically switches the power on and off for various electrical devices based on user-set times. 2. Suitable for automatic control of street lights, neon lamps, advertising sign lights, production equipment, broadcast and television equipment, and other electrical devices. 3. Equipped with a high-precision industrial-grade chip for accurate timing control. 4. Built-in high-performance battery serves as a backup power source to maintain timing, display, and data storage during power outages. 5. Offers strong anti-interference capability and stable performance. Specifications: Switching capacity: 30A Number of settings: 16 ON/OFF cycles (per day/week) Setting time range: 1 minute to 168 hours Timekeeping accuracy: ±1 second per 24 hours Power-off memory: 180 days or more Battery: Built-in 1.2V 40mAh rechargeable battery Mounting method: Screw mounting or rail mounting Dimensions: 86 x 36 x 66mm (3.4 x 1.4 x 2.6 inches) Weight: Approximately 145g (5.1 oz) Package List: 1 x Digital Timer Switch Note: 1. Due to differences in monitor displays and lighting effects, the actual color of the item may vary from the images shown. 2. Please allow slight measurement deviations due to manual measurement. Thank you for your understanding.