Features [Versatile Programming Options] With up to 28 on/off schedules for 7-day cycles or single-day settings, with options for always on off, auto on off, and daylight saving time modes to meet your specific needs. [Built-in Battery] Built-in battery retention settings, this timer switch preserves scheduled settings during power outages, eliminating the hassle of restarting and ensuring your schedules remain intact. [Waterproof Box] Built with a waterproof PC shell that is flame retardant and UV resistant, this timer switch is able to withstand outdoor conditions. Its two outlet holes prevent water from entering the wiring box. [Wide Operating Temperature Range] By operating at temperatures ranging from -10℃ to +55℃, this timer switch ensures long-lasting performance and reliability in outdoor applications. [Versatile Use] Designed to control 1 device, suitable for indoor and outdoor high-power appliances, such as pool pumps, heaters, filters and other motor-driven devices. 1. [Versatile Programming Options] With up to 28 on/off schedules for 7-day cycles or single-day settings, with options for always on/off, auto on/off and daylight saving time to meet your specific needs. 2. [Built-in Battery] Built-in battery retention settings, this timer switch preserves scheduled settings during power outages, eliminating the hassle of restarting and ensuring your schedules remain intact. 3. [Waterproof Box] Built with a waterproof PC shell that is flame retardant and UV resistant, this timer switch is able to withstand outdoor conditions. Two outlet holes prevent water from entering the wiring box. 4. [Wide Operating Temperature Range] By operating at temperatures ranging from -10℃ to +55℃, this timer switch ensures long-lasting performance and reliability in outdoor applications. 5. [Versatile Use] Designed to control 1 device, suitable for indoor and outdoor high-power appliances, such as pool pumps, heaters, filters and other motor-driven devices. Specification: Item Type: Timer Switch Material: PC. Rated Voltage: AC85-265V Line quantity conversion switch: SPDT Error correction: ≤2 seconds per day (25℃) On Off Operation: 28 times Power consumption: 4.5 VA (MAX) Lifespan: Mechanical 10^7, Electrical 10^5 Display: LCD screen. Shortest interval: 1 minute Operating temperature: -10°C to +55°C Operating Humidity: 35 to 85% RH Storage Power Supply: 1 x 200mAh Li-ion Battery (Built-in) Battery Backup: ≤15 days How to Package List 1 x Timer Switch (Upper Lower Shell) 2 x Waterproof Connector 2 x Sealing Ring 6 x Screw 2 x Waterproof Ring 4 x Wall Anchor 4 x Terminal Connector 1 x 5m Electric Tape 1 x Instruction Manual