Item Type: Aquarium Thermometer Material: Plastic Battery Type: 1 x Button Cell (AG13), Battery Capacity: 160mAh (Shipped with Built-in Battery) LCD DISPLAY: The aquarium thermometer features a large, easy-to-read LCD display and is compact enough for independent use. TEMPERATURE RANGE: This fish tank thermometer provides temperature readings from -50°C to +70°C, with an operating range of -10°C to +50°C. SUPERIOR PERFORMANCE: Digital aquarium thermometer offers accurate temperature readings within ±0.1°C. Switchable between Celsius and Fahrenheit. WIDE APPLICATION: Suitable for water and high-humidity environments such as aquariums, fish tanks, and terrariums. SAFE MATERIAL: Made from high-quality plastic, the thermometer is safe, odorless, stable, reliable, and designed for long-term use. Package Includes: 1 x Aquarium Thermometer, 1 x Suction Cup