TM615 DIN rail 24-hour programmable switch timer automatically turns electric equipment on and off at preset times. Widely used for programmable control of streetlights, lights (signs), lamps, water heaters, air conditioners, electric cookers, boosters, sprayers, bottlers, preheaters, agricultural facilities, and broadcasting equipment. Digital timer switch includes a replaceable CR2032 battery to retain programs during power failure. Features low power consumption, high-accuracy CMOS chip, strong anti-jamming capability, and easy setup. Item Features: Ideal for household use with panel mounting 3500 Watt / 16 Amps, 1NO+1NC; or 30A / 5000W 24-hour and weekly programming Replaceable battery preserves memory during power outage Automatic time error correction within +/- 30 seconds per week Supports repeat programs with 16 on/off settings; manual on/off option available Color: White Material: ABS + electronic components Size: 9.0 x 4.0 x 7.0 cm Package Contents: 1 x Timer 1 x Manual Note: Light and display differences may cause slight color variation between the image and actual item. Measurement error allowed is +/- 1-3 cm.