This is digital swimming pool thermometer floating. The host is placed indoors to check the time, temperature and humidity. The transmitter is placed in the outdoor pool to obtain data and then transmitted to the host. Outdoor sensor transmission distance of 60 meters. Upgrade and optimize the waterproof sealing, to ensure that the product will not leak, resulting in bad product problems. Features: Swimming Pool Thermometer FloatingThe digital swimming pool thermometer has a high-precision temperature sensor to ensure accurate temperature readings. The host temperature test range is approximately -9.9 celsius ~+50 celsius (14.2 Fahrenheit ~122 Fahrenheit ), pool sensor temperature test range is -40 celsius ~+70 celsius (-40 Fahrenheit ~158 Fahrenheit ). Use a convenient method to monitor the temperature of bathing water and outdoor swimming pools. LCD Digital Screen The real-time temperature of the water where the sensor is located and the indoor temperature where the host is located can be displayed on the same screen. Andtime in optional 12/24 hour format. Numerical Temperature RecordingThe maximum and minimum temperature records of the day are supported. Widely UsedFloating thermometer is the best choice to enhance swimming pleasure. ideal for family swimming pools, spas, pool spas, hot tubs, aquariums and fish ponds. Specifications: Material: ABS Color: White+Gray Time Format: 12H/24H (Optional) Temperature Display Unit: celsius / Fahrenheit (Optional) Host Temperature Test Range:-9.9 celsius ~+50 celsius / 14.2 Fahrenheit ~122 Fahrenheit Pool Sensor TemperatureTest Range : -40 celsius ~+70 celsius / -40 Fahrenheit ~158 Fahrenheit Temperature Error Range:+/-1 celsius Powe Supply: Host*2PCS AAABattery( not included), Sensor* 2PCSAAABattery( not included) Transmission Distance : 60 Meters (Open Space) Package Size:145*95*95mm /5.7*3.7*3.7in Package Weight:290g/10.22oz Package Listing: 1* Host 1* Sensor 1* Rope (1.5M Lengh) 1* User Manual(EN, DR, FR,ES, IT)