CN101S 1 Second Interval Timer Clock 7 Days Weekly Programmable Digital Timer 220V AC Switch Power Timer The CN101S automatically turns on and off various electric devices at preset times. It is commonly used for 7-day programmable control of streetlights, neon signs, lamps, water heaters, air conditioners, billboards, electric cookers, boosters, sprayers, bottlers, preheaters, agricultural equipment, and broadcasting systems. This digital timer switch includes a built-in battery to retain settings during power outages. It features low power consumption, a high-accuracy CMOS chip, strong anti-interference performance, and easy programming. Rated for 3500 Watt / 16 Amps, 1NO contact, 24 hours / 7 days a week programmable. Equipped with a 1.2V built-in battery to preserve memory during power failure. Auto time error correction within +/- 30 seconds per week. Input and output voltage: 220V. Dimensions: 7.0 cm x 7.0 cm x 4.0 cm Material: ABS + electronic components Color: White Package Contents: 1 x Timer Switch 1 x User Manual Note: Light shooting and different displays may cause the color of the item in the picture to differ slightly from the actual product. Measurement error allowed is +/- 1-3 cm.