500ft Wireless Pool Thermometer Color Display Digital Thermometer 3 Channels Waterproof Swimming Pool Temperature Measuring Meter for Aquariums Bath Water Spas

1、Both the display unit and temperature unit are made of plastics material, with a simple and beautiful appearance, and can provide long service time. 

2、Digital color display unit with backlight, provides a clearer and more accurate data reading. Clear readout makes it easy to access pool temperature data. 

3、With time display function, time display 12/24Hr format optional; indoor temperature, humidity maximum, minimum value query; outdoor temperature maximum, minimum value of the same screen display; and outdoor temperature comfort indication, Max / Min temperature and humidity record and query and low battery indicate function. 

4、The temperature testing unit has wide measuring ranges, with indoor measuring ranges of -20℃ to+ 60℃(-4℉～140℉) and -10℃ to +60℃(14℉～140℉) out-of-door measuring ranges. 

5、The temperature units are freely switchable, you can choose Fahrenheit / Celsius according to your reading preference.

6、It can support 3-channel temperature control, support connection of up to 3 pool thermometers, 433.92MHZ RF transmitting frequency, with a transmission distance of 152 meters/500ft (unobstructed distance), displaying the maximum and minimum values. 

 7、Waterproof design, built-in dual silicone waterproof rubber rings, easy to use, just put into the swimming pool to measure its temperature, suitable for swimming pool, hot spring, water world, etc.