Features: High accuracy and wide measuring range. Stable performance, supports long time use. With?large and clear display for better readability. Embedded panel, 220v power-supply. Small size, convenient to install. Applied to refrigerator, deepfreeze, cold closet and so on. Specifications: Model: ZFX-900 Voltage: 220V Power consumption: less than 3W Temperature measure range: -50 celsius ~110 celsius Display resolution: less than 100 celsius 0.1, more than =100 celsius 1 Precision accuracy : 1 celsius Temperature sensor: NTC 10K 3435 Item size: 57.8 * 34.7 * 25.7mm / 2.27 * 1.37 * 1.01in? Package size: 61 * 35 * 30mm / 2.4 * 1.38 * 1.18in? Package weight: 43g / 1.52ounces? Note: 1.Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures. 2.Please allow a little measuring deviation due to manual measurement. 3.Please distinguish the live wire and null line correctly and do not mix up them. 4.Please do not directly put the probe into liquid for a long time. Package List: 1 * Temperature Meter ? Have a great time shopping!