Description High-precision dual-chip temperature control, accurate sensing of 0.1 changes, accurate temperature control, stronger anti-interference, and more stable operating performance. Using switching power supply design, low power consumption, efficiency can be increased to 80%, more power saving, wide voltage regulation range, strong anti-interference, stable and more reliable. Features - Color: Black and orange.- Material: Plastic.- Size: 8.50 x 7.50 x 3.50cm/ 3.34 x 2.95 x 1.38 inch.- Temperature control: - 50 ~ 110 .- Power supply voltage: AC220V, AC110V.- The bright digital screen is clearly displayed, and it can be clearly read whether it is used during the day or at night.- The sensor can be replaced at will by using the terminal. When you need to use other probes, you can replace it at will.- Plastic material shell, not only exquisite and beautiful, designed with compressor delay protection.- Alarm when temperature exceeds temperature limit. All these promise the best safety guarantee to this temperature controller. - The product with high mechanical strength, good electrical performance, anti-aging.Packing list: 1 x refrigerator thermostat