Product Description: Function: This is an aquarium thermometer with two suction cups, one on the back of the thermometer and one on the probe cable. You can connect a thermometer to the aquarium. Two temperature units (°C and °F) can be switched. Measuring probe: -50°C~+70°C / -58°F~158°F Size: 58×37×16mm. Power supply: LR44 battery (included). On/off switch is available. Features: This aquarium thermometer is ideal for tropical marine aquariums, aquariums, reptiles, incubators, cars, refrigerators, hatcheries, cigars, etc.< /p> This reptile thermometer with probe is perfect for monitoring the living environment of lizards, turtles, snakes and other reptiles. Digital thermometer LCD display with probe. Probe cable length: 98 cm. Note: Do not immerse the thermometer in water, only the probe is waterproof. Package includes: Aquarium thermometer *2 Key points: 1. The product size is measured manually, there may be errors 2. Since different displays display different colors, please refer to the actual color, which you received. 3. Please confirm the size before purchasing.