Mechanical timer: large dial with clear scale;The quartz movement starts automatically a few minutes after power on.Easy Operation: 24-hour timer, with manual switch, supports program timing (automatically turns on/off according to schedule) and permanent on/off.Integrated battery for reserve.DIN rail installation: convenient to assemble and disassemble, flexible to use.Compact size and light weight make installation easy.Transparent dust cover: dustproof and splash-proof, extend service life.The transparent design has no effect on the viewing of the dial.Wide use: for street lights, ventilation, fountains, billboards, production equipment, broadcast and television equipment and more.Only for use in dry indoor locations. Note: 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. Sold by-dadangjia