wireless connection all in the palm of your handour pool thermometer introduces stable wireless transmission technology for a perfect connection with s dedicated indoor thermometer not only does it achieve a transmission distance of 300 feet in open distance but it also comes with a grand 5inch lcd display to present you with accurate pool and indoor temperatures in real time this means that you can easily know the temperature of your environment without leaving your home and everything is at your fingertipsintelligent energy management we have injected a brand new energysaving concept into the pool thermometer by adopting an advanced light sensor on the top of it when lux1 it will start up automatically immediately and when lux u003c1 it will sleep by itself like a wise guardian silently reducing energy consumption by 30 and extending the service life of the device this intelligent management system not only allows you to enjoy the fun of the pool but also makes effective use of energy doing its part to protect the planetsustainable usethis pool thermometer floating is not only energysaving but also equipped with a highcapacity rechargeable 1200mah lithium battery it can be charged via usbc and the intelligent design of the top light sensor gives it the amazing endurance of charge once use for 180 days so you no longer need to worry about replacing dry batteries frequently and truly realise the sustainable use of energyinnovative ipx7 waterproof systemthis wather temperature adopts an advanced doublelayer insulation and waterproof isolation system which is like a solid protective barrier and has passed strict scientific experiments to ensure perfect protection under any form of water this system is unforgiving to both water vapour and air like a strict guard at his post keeping out all foreign substances even air molecules which are lighter than water cant get past this layer of protection ensuring that your equipment is always fresh and free from external liquidsomnidirectional needs coverageour swimming pool thermometer features a wide temperature range from 20c to 60c surpassing the measurement limitations of other brands this means that not only can it easily adapt to both ice and hot water but it can also work comfortably in a variety of water temperatures including a cold ice bath a warm hot tub or even a cosy bathroom wherever you are in the world our thermometers offer a new summer experience of coolness and comfort in the water