ITEM NAME:Electronic Weekly Programmable Digital Switch Relay Timer Controller(12V) A#S Product Description Description: Features: This product is designed to turn on/off electric appliance power automatically. Suitable for controlling road lamp, neon light, ad signboard light, etc. With built-in rechargeable battery. Industry standard chip, high precise, strong interference resistance. Specification: Work Temperature: -20Â °C - 55Â °C Work Voltage: 220-240V AC 50-60Hz Display: LCD Time Range: 1 min - 168 hours Power Cut Memory: 60 days Time Error: 1s/24h 25Â °C Timing: 17 times (day/week) Size: approx. 86.5 X 36 X 65.5 mm/3.41 X 1.42 X 2.58 in Standard: GB/T14536.1 Installation: Rail Included: 1 X Switch 1 X User Manual.Industry standard chip, high precise, strong interference resistance. This product is designed to turn on/off electric appliance power automatically. Included:1 X Switch. Work Temperature: -20Â °C - 55Â °C.