TM617 can automatically turn on and off various kinds of electrical equipment at a preset moment. It is widely used in 7 days programmable lantern control, neon lamp (sign), lamp, boiler, air conditioner, billboard, electric cooker, amplifier, atomizer, bottling machine, preheater, agricultural equipment and broadcasting equipment, etc. A digital timer switch is located in the battery to save programs until a power failure. It has the characteristics of low consumption, high accuracy of CMOS chip, strong anti-jamming, simple and easy to set, confirms IEC 60367 and CE certification. OOTDTYComach Features:Ideal for home use in pannel mounted3500w/16 amps, 1NO+1NC24 hours/7 days a week programmableBuilt-in battery to save memory when power failureAutomatic time error correction +/- 30 seconds, every weekRepeat programs with 16 on/off settings and manually turn on/offSpecifications:Power supply: 110V 220-240V AC, 50-60HZZ4.5VA (MAX) power consumptionDisplay: LCD displaySwitching u: 1 Switch Change Programs: 16 on/off each day or weekHysteresis 2 seconds/day (25c)Mini Interval: 1minEfficiency: 16(8) 250V ACCont Memory: 180 daysTime Range: 1min - 168hrCharge Battery: 1.2V 40MaAverage Error: 1s/24h, 25c Dimensions: 72*72*48mm Installation Method: Panel Installation or Rail InstallationPackage Included:1*TM6171 Timer Switch*User Manual