Usage Tips: Temperature measurement range -50~+110, working temperature: -10~+50, temperature measurement accuracy: 1.0. Product Details Product size: 48*28*15mm. Battery: 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 readWith 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 ApplicationsThlevel mini digital thermometer with probe is very popular, widely used in living rooms, greenhouses, musical instrument rooms, wine cellars, basements, warehouses, etc. Product Specification: Temperature measurement range: -50~110 Operating temperature: -10~+50 Temperature measurement accuracy: 1.0 Cable length:1m Power supply: 2 x 1.5v LR44 button cell batteries (included) Note:Only probes are waterproof design. Package included:4x Thermometer with probe