Y-WQ Digital Floating Pool Thermometer Easy Read

Main Functions Receiver: measuring range: -20℃~ + 70℃, refresh time: 10 seconds, resolution: 0.1℃. Transmitter: measuring range: -50℃ ~ + 70℃, refresh time: 50 seconds, resolution: 0.1℃. Switchable button to change ℃/℉ temperature unit. Button to query the maximum and minimum temperature data. The maximum and minimum data of temperature and humidity can be cleared or permanent memorized, and the memory function can be restarted accordingly. 3V battery power supply. LCD parameter: 1/3bais, 1/5duty 4.5V. Power-on display default temperature unit: ℃.