The temperature gauge for fish tank, mini, lightweight, Features with tough housing, LCD display, fast precise temperature measuring ( +/-1 celsius error ), easy installation, allows real monitor and grasp temperature, very suitable for fish tank, refrigerator, marine reptile incubator, greenhouse and more. Features: High quality material: solid durable ABS shell; large LCD screen, easy to read and record; waterproof, sensitive NTC 10K probe. Good function: monitor temp in real time, accurately measure temp (range: -50 celsius to 110 celsius ), fast display the measurements on screen. Convenient usage: temperature meter, with 1 meter long flexible cable, easy to mount (embedded installing or clipping ). Long battery life: the fish tank thermometer, powered by 2 * AG13 button cell, low consumption, long endurance. Versatile application: use in brooders, reptile tank, aquarium, fish tank, pet keeping, gardening, refrigerator, etc. Specifications: Material: ABS Color: Black / White (Optional ) Temperature Range: -50 celsius ~110 celsius Accuracy: +/-1 celsius Resolution: 0.1 celsius Probe Type: NTC (10K ), 1m Probe Cable Length Working Voltage: 1.5V Working Current: Max 4uA Working Temperature: 0 celsius ~50 celsius Storing Temperature: -10 celsius ~60 celsius Power Supply: 2 * AG13 Battery (Not included ) Item Size: 4.8*2.8*1.5cm / 1.88*1.10*0.59in Item Weight: 22g / 0.77oz Package Size: 7*6*2.3cm / 2.75*2.36*0.90in Package Weight: 28g / 0.98oz Note: Aquarium thermometer only, other accessories in the pictures are not included. Due to manual measurement, there may be deviation, please in kind prevail. Due to lighting or other reasons, the picture and material object may slightly differ. Packing List: 1 * Aquarium Thermometer