: high industrial grade chip for accurate timing control. APPLICATION: Suitable for the automatic control of street lamp, neon lamp, advertising sign lamp, production device, broadcast television device and other power devices. CONVENIENT: ON-OFF time can be cycled by day or week, maximum 16 times ON-OFF. GOOD FEATURE: Built-in rechargeable battery is used as a backup power supply to maintain the timing, display and data storage in case of no external power supply. JUST SET & : Choose your own individual days or simply select one of the convenient pre-set combination days. Switch to Daylight Savings mode with a press of a button. Our long-lasting backup battery keeps your settings even in the event of a power outage. Color: White Material: plastic Package Contents: 1*Digital Timer Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.