Detailed Product Description TZU, YZU-2 refrigerate thermometer for fridge and ice lockerOuter size: 2"Outer case material: stainless steelCopper capillary length: 120mm, 150mm, packed in PVC pipe.The dimension of the thermometer bulb: 8×60, the outer bull pack with PVCTemperature range: -40~150oC/ oF -40~20oC /oF Accuracy: 2%