High-precision dual-chip temperature control, accurate sensing of 0.1 degree centigrade 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 degree centigrade ~ 110 degree centigrade. - 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 and beautiful, designed with compressor delay protection. - Alarm when temperature exceeds temperature limit. All these promise the best safety to this temperature controller. - The product with high mechanical strength, good electrical performance, anti-aging. Package list: 2 x refrigerator thermostat