Feature:1. [Versatile Scheduling Options] With up to 28 on off schedules for 7 day cycles or single day settings, featuring options for always on off, automatic on off, and daylight saving time modes to suit your specific needs.2. [Built in Battery] Built in battery holding settings, this timer switch retains your programmed settings during power outages, eliminating the hassle of resetting and ensuring your schedules remain intact.3. [Waterproof Box] Constructed with a waterproof PC casing that is flame retardant and resistant to UV, this timer switch is capable of withstanding outdoor conditions. Its two outlet holes prevent water ingress into the wiring box.4. [Wide Operating Temperature Range] Operating in temperatures ranging from ‑10℃ to +55℃, this timer switch ensures long lasting performance and reliability in outdoor applications.5. [Versatile Usage] Designed for controlling 1 device, suitable for outdoor indoor high power appliances such as pool pumps, heaters, filters, and other motor driven devices.Specification:Item Type: Timer SwitchMaterial: PCRated Voltage: AC85-265VLine Quantity Conversion Switch: SPDTError Correcting: ≤2 Seconds Per Day (25℃)On Off Operation: 28 TimesPower Consumption: 4.5 VA (MAXIMUM)Service Life: Mechanical 10^7, Electrical 10^5Display: LCD ScreenShortest Interval: 1 MinuteOperating Temperature: -10℃ to +55℃Operating Humidity: 35 to 85%RHStorage Power Supply: 1 x Lithium Ion Battery 200mAh (Built in)Battery Backup: ≤15 Days.Package List:1 x Timer Switch (Upper Lower Shell)2 x Waterproof Connector2 x Sealing Ring6 x Screw2 x Waterproof Ring4 x Wall Anchor4 x Terminal Connector1 x 5m Electric Tape1 x Instruction Manual