Temperature measurement range -50~+110, working temperature: -10~+50, temperature measurement accuracy: 1.0. Product details Product size: 48*28*15mm. Pile: 2 x 1.5V LR44 button cell batteries. Cable length: 1m. Probe design The product uses a metal sensor to test the temperature. The probe part is designed to be waterproof, but the thermometer body is not waterproof. Easy to read With LCD display, better visual effects, you can see the temperature in the distance. This thermometer has a probe, which can test some places deeply, the results you want easily. Wide range of applicationsmini digital thermometer with probe is very popular, widely used in living rooms, greenhouses, musical instrument rooms, wine cellars, basements, warehouses, etc. Features LCD Digital Thermometer with Probe for Refrigerator Freezers Aquarium. This is a portable thermometer that can test the temperature of an object through a metal sensor. Temperature measurement range: -50~110 Operating Tem perature: -10~50 Pre cision temperature measurement: 1.0 Length cable length: 1m Ali ment: 2 x 1.5v LR44 button cell batteries (included) Note 1. This thermometer cannot work for a long time in low temperature environments, because long periods of low temperature will damage the batteries. 2. Only the probes are waterproof. The main part of the thermometer is not waterproof.