Feature: 1. Settings Modes: Up to 28 times on off operation, with 7 day repetitive cycle or single day setting to meet your needs, this pool pump timer features automatic on off and daylight saving time mode. 2. Manual Button: This swim pool controller uses manual button to turn on off or change mode, supports multiple modes and date setting, not require repeated settings during power outages. 3. Applicable Range: Specially designed for high power outdoor indoor electrical devices, such as swimming pool pumps, heaters, filters, and other motor driven equipment, simple and practical. 4. Waterproof Shell: This timer adopts waterproof PC shell, insulation and flame retardant, which can resist UV and high temperature, 2 water outlets to prevent water from entering the junction box. 5. Built in Battery: The pool pump timer switch has a built in 200mAh lithium ion battery, ensuring long endurance, and convenient use anytime, anywhere, with strong practicality. Specification: Item Type: Pool Pump Timer Material: PC Timing Error: 1 Second / Day (25℃) ON OFF Operation: 28 ON OFF Power Consumption: ≤2W Lifespan: Mechanical 10^7 Time, Electrical 10^7 Time Display: LCD Screen Minimum Interval: 1 Minute Power Backup: 60 Days Operating Temperature: -10-40℃ Operating Humidity: 35-85%RH Resistive Load: 25A (not to exceed the allowed overload) Power Supply: 1 x Lithium Ion Battery 200mAh (built in). Package List: 1 x Timer (Upper Lower Shell) 2 x Waterproof Connectors 2 x Washers 4 x Screws 1 x Waterproof Ring 1 x User Manual