Mr Traders LCD Digital Thermometer Fish Tank Water Temperature (Use aquarium out side) Aquarium Thermometer

It has a LCD Display Car Refrigerator Aquarium Fish Tank Embedded Electronic Digital Thermometer Temperature measurement accuracy:±1°C Temperature range: -50~ 110°C Small Volume Its size shows as the picture: Thermometer size: 2.17 x 1.46 in Cable length: 24.88 in Probe: 1.57 in Battery Each thermometer is equipped with a LR44 battery. Open the battery cover and insert battery with (+) positive side up. The LCD will now display the current room temperature. Operation 1. Attach the display unit to the outside of the tank using the suction cups and submerge the probe into the water in the tank. 2. Press and hold the power (PWR) button to turn on. Hold the power button for 3 seconds to turn off.