Easy Operation: 24 hours timer, with , supports program timing (turn on/ off automatically according to the schedule) and permanent ON/ OFF. Built-in battery for reserve. Timer : Large dial with clear scale, rotate the dial clockwise to adjust time; the driving method is quartz motor. Quality: 150 heat resistant casing, durable and corrosion resistant; Supports IP53 level, can put up with harsh environments. Easy Installation: With mounting hole, the time is intended to be incorporated into equipment/ built-in control box, etc.. Compact size and light weight make installation easier. Wide Use: For street lights, ventilation, fountains, advertising hoarding, production equipment, broadcasting and television equipment and more. Color: Grey : AC 100-240V Frequency: 50-60Hz Battery: 1.2V 40mAh NI-MH Battery Contact Capacity: 20A Power: 2W Time Range: 24H mum Interval: 15min Setting Times: 15min/time, 96 times Reserve: 300H IP Rating: IP53 Item Size: 163 * 113 * 45mm / 6.42 * 4.45 * 1.77in Package Size: 16.5 * 12 * 4.5cm / 6.50 * 4.72 * 1.77in Package Weight: 309g / 10.90oz Package List:1 * Timer 1 * Battery with Line 3 * Screw 1 * User (English)