HR640 wireless thermometer

wireless thermometer The waterproof floating thermometer is used for the pool, hot tub, boat, lake or anywhere clients want to know the temperature of the water. [Brand Story] MIEO Wireless Pool Thermometer MIEO is an international brand which always holds the concept of cherishing environment, healthcare, and the transmission of happiness. It keeps pace with people's lifestyle and quality of life, provides health and happy electronic products. [Product Feature] Main Unit: 1)2-line LCD displays indoor temperature and water temperature. 2)433MHz transmission range to 30 meters. 3)Max / Min. temperature trend indicator 4) Temperature high/low alarm 5) Temperature Measuring Range: -5 C to 50 C (23F to 122F) 6)Suggest to use 2pcs AAA alkaline batteries. 7)C / F display conversion 8) Dimension: 108 x 98 x 26mm Floating Unit: 1)LCD screen displays water temperature 2)With ON/OFF switch. 3)433 /315MHz transmission range to 30 meters. 4)Temperature measuring range: 0C to 50C (0F to 122F), 5)Storage temperature range: -20 C to 50 C (-4F to 122F) non-condensing 6)Use 2 AAA alkaline batteries 7)Submersible structure, chemical and UV resistant. 8)With 3-foot rope 9)Dimension: D95 x H112mm 10) C / F display conversion and ON/OFF button.