Waterproof Digital Aquarium Thermometer with Suction Cup

OverviewCompact, stylish digital thermometer designed for fish tanks and aquariums. Small and precise, it provides clear temperature readings in Celsius or Fahrenheit.Key features Waterproof design Display sits outside the water; sensor probe stays in the water Temperature range: -50 °C to 70 °C Temperature units: Celsius / Fahrenheit Size: 5.8 x 3.5 cm Color options: Black or Yellow Power: Battery not included; uses a 1.5 V button cell How to use Fix the display partly outside the aquarium (the