Features Multiple Feature Options: This Timer Switch featuring options for always on off and daylight saving time modes to meet your specific needs in different conditions, With up to 28 closing schedules for 7-day cycles or single-day Settings Memory Function: This Countdown Timer Switch has a built-in battery that preserves your program Settings in the event of a power outage, eliminating the hassle of resetting and ensuring your schedule stays the same Water-resistant Design: This Time-meter switch features a flame-retardant, resistant PC housing for use in outdoor conditions. Two water outlet holes are provided to prevent water from penetrating into the junction box Wide Operating Temperature Range: This timepiece switch operating in temperatures ranging from -10℃ to +55℃, this timer switch ensures long lasting performance and reliability in outdoor applications Versatile Usage: The timekeeper Switch designed for controlling 1 device, suitable for outdoor indoor high power appliances such as pool pumps, heaters, filters, and other motor driven devices. Spec: Item Type: Timer Switch Material: PC Rated Voltage: AC85-265V Line Quantity Conversion Switch: SPDT Error Correcting: ≤2 Seconds Per Day (25℃) On Off Operation: 28 Times Power Consumption: 4.5 VA (MAXIMUM) Service Life: Mechanical 10^7, Electrical 10^5 Display: LCD Screen Shortest Interval: 1 Minute Operating Temperature: -10℃ to +55℃ Operating Humidity: 35 to 85%RH Storage Power Supply: 1 x Lithium Ion Battery 200mAh (Built in) Battery Backup: ≤15 Days How to Use: Follow the instructions manual after taking out the product. packing list: 1 x Timer Switch (Upper Lower Shell) 2 x water-resistant Connector 2 x Sealing 6 x Screw 2 x water-resistant 4 x Wall Anchor 4 x Terminal Connector 1 x 5m Electric Tape 1 x Instruction Manual 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