Mechanical Timer Switch: Large dial with clear scale, rotate the dial clockwise to adjust time; the driving method is quartz motor. Easy Operation: 24 hours timer, with manual switch, supports program timing (turn on/ off automatically according to the schedule) and permanent ON/ OFF. Built-in battery for reserve. Easy Installation: With mounting hole, the time switch is intended to be incorporated into equipment/ built-in control box, etc.. Compact size and light weight make installation easier. High Quality: 150℃ heat ABS casing, High quality and ; Supports IP53 conservation level, can put up with harsh environments. Wide Use: For street lights, ventilation, fountains, advertising hoarding, production equipment, broadcasting and television equipment and more. parent Dust Cover: Dustproof and waterproof, prolongs service life. parent design has no effect on viewing the dial.<br><br>Programmable mechanical timer switch makes you life smarter and more convenient. IP53 rating extends the range of working environments. Easy to operate, easy to install. Note:Installation should only be carried out by a qualified electrician. Specifications: Voltage:AC 100-240V Frequency:50-60Hz Battery:1.2V 40mAh NI- Battery Contact Capacity:20A Power:2W Time Range:24H Minimum Interval:15min Setting Times: 15min/time, 96 times Reserve: 300H IP Rating: IP53 Item Size:163x113x45mm/6.42x4.45x1.77in Color:As Shown Material:ABS<br><br>Package Contents: 1 * Timer Switch(Slightly chromatic aberration)<br><br>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.