Description: Boasting an easy-to-read LCD display and LED indicators, this timer is easy to operate. You can set up to 16 on/off programs per day for different electrical devices. Built-in battery is used to back up the saved program in the event of a power failure. The programmable design makes this time switch flexible to use. It can also be automatically corrected for time errors of 30 seconds per week. Using high-quality plastic, the time switch is sturdy and has a long service life. It is 60mm long, 60mm wide and 30mm high. You can use this timer to turn on/off any electrical equipment by preset timer. Item Name: Time Switch Material: Plastic Model: TM618N Working Voltage: DC 6V Travel Time Error: 1s/24h Power Failure Memory: 180 Days Setting Time: 1 Minute - 168 Hours Control Output: 16A (Supporting Expansion) Setting Times: 16 Times of Switch (Day/Week) Battery: 1 x 1.2V 40mAh Button Battery (Included) Features: Programmable, Backup Function, LCD Display Size 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 Switch 1 x English Manual