Special Diving Thermometer for Aquariums Measure accurately Temperature changes in the water Amphibic thermometer Scientific and waterproof packaging design Use thickened explosionflaving glass can withstand a big difference in temperature without bursting [Name] Special thermometer for aquariums [Specifications] about 11 cm in length and 1.1 cm diameter [accuracy] ± 1 °C Quantity delivered: 2 * PCS