Description: Flexible Scheduling: up to 20 different ON/OFF programs in a 7-day period; every program you set repeats once each week. Energy Saving: automatically turns on and off lamps, Christmas lights, humidifiers and other electrical devices, and protects your phone from overcharge. Useful Security Precaution: features a random option for lights to turn on and off at varying times while you’re away from home and helps to mystify burglars.The digital light timer can be easily switched between Standard time and Summer time (DST). Manual ON/OFF/AUTO switching. Easy to Operate: comes with a large LCD display and a convenient manual override switch that allows you to skip the programs if your schedule changes. Battery Backup: with the built-in battery backup, the unit retains the programming even in a power outage and saves you the trouble of having to reprogram. Specification: Material: Plastic Size: A - Approx. 11.5x6x3.4cm/4.53x2.36x1.34inch B - Approx. 13x7.8x8cm/5.12x3.07x3.15inch C - Approx. 11.4x6x8cm/4.5x2.36x3.15inch Installation: Plug In Type.(US Plug) Ratings: 125VAC, 60HZ 15A 1800W Operate Temperature: ﹣10 ℃ to + 55 ℃. Type of function figures: LCD Timer accuracy: ± 5 sec/day. Programmable: Every minute. Mini size E-Timer with multifunction. 20 ON/OFF setting program. 1 countdown program for ON countdown switching. Random function for ON/OFF switching randomly. More secure when your house is unoccupied for a long period of time. summer / winter saving time setting & switching. Manual ON/OFF/AUTO switching Package Includes: 1 Piece Programmable Outlet Digital Timer 1 Piece User Manual