Featuring high-precision CMOS chip, this timer is highly resistant to interference. You can set up to 16 on/off programs per day and it is programmable and easy to use.Designed to be easy to read and operate, this time switch features a clear LCD screen and LED indicators. There is a built-in battery that can back up saved programs if the power goes off.Made of premium plastic material, this time switch has sturdy construction, which has a long service life.The length of the timer switch is 60mm, the width is 60mm, and the height is 30mm.You can use this timer to turn on/off any electrical equipment, such as street lamp, billboard, test instruments, etc.Item Name: Time SwitchMaterial: PlasticModel: TM618NTravel Time Error: 1s/24hWorking Voltage: DC 12VPower Failure Memory: 180 DaysSetting Time: 1 Minute - 168 HoursControl Output: 16A (Supporting Expansion)Setting Times: 16 Times of Switch (Day/Week)Battery: 1 x 1.2V 40mAh Button Battery (Included)Features: Accurate Timing, Programmable, Program BackupSize Details: 60mm x 60mm x 30mm/2.36" x 2.36" x 1.18" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Time Switch1 x English Manual