Brand:N/A Model:S-31Material:Plastic Quantity:1 PieceSpecificationWVoltage:1.5 V- Color: Black + White- 2.0" LCD display- Simultaneously showing aquarium and ambient temperature- Selectable temperature unit: 'C or 'F- Aquarium temperature range: -50'C~70'C (-58'F~158'F)- Ambient temperature range: -10'C~50'C (14'F~122'F)- Accuracy: ±1'C- Adhesive tape on the back for easy install- Voltage: 1.5V- Powered by 1 x AG10 battery (included)