1、Settings Modes: Up to 20 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.