Title Pool Thermometer, Wireless Pool Thermometer Floating Easy Read, Pool Thermometer for Swimming Pool Hot Tubs Pond Test Kits & Thermometers LCD Screen 360 Degree Visibility White Not included Batteries Features: Wireless Pool Thermometer The maximum connection distance is 300 feet90M). You can check temperature readings with the receiver inside home. Accurate ReadingSupport both Fahrenheit and Celsius readings.Update temperature data every 3 minutes. Premium Quality The thermometer has adopted high quality materials, it is solid and durable. PX7 WaterproofThe thermometer is ideal for swimming pools, Fish Ponds, aquariums, baby baths, spas, etc. Pool thermometer floating easy read, measurement range: -40~158(-40~70). Easy To ReadThe top hemispherical transparent protective shell and LCD vertical structure make it easier to read temperature on water. NOTE: To prevent water ingress, please tighten the cover when finished installing the 2PCS AAA batteries(battery not included) . Tips: This product does not have wifi function, because the manual is a general version, you may receive the manual wifi related description; Please understand, we only sell without wifi function. Specification: Power Supply: :2 * AAA 1.5V battery( Temperature and humidity monitor, battery does not include ) , 2 * AA 1.5V battery ( Wireless Remote Sensor, battery does not include ) Transmission Distance: up to 300 ft(90m) in open space, if thereis interference. the transmission distance will be limited Temperature and Humidity Monitor Temperature Measurement Range: 0C-90C (-32F-199) Temperature Measurement Accuracy: 1C (+1.8) Temperature Display Accuracy: 0.1C (0.1) Humidity Measurement Range: 10%-99% Humidity Measurement Accuracy : 5% Humidity Display Accuracy: 1% Wireless Remote Sensor Temperature Measurement Range: 0C-90C (-32-199) Wireless Remote Sensor Temperature Measurement Accuracy: 1C (+18) Wireless Remote Sensor Temperature Display Accuracy: 0.1C (0. 1) Temperature Sampling Period: 3min Packaging Size: 24 * 12 * 12cm / 9.45 * 4.72 * 4.72in Product Weight: 400g / 14.11oz Gross Weight: 500g / 17.63oz Packaging List: 1 * Swimming Pool Thermometer 1 * Temperature Display Screen 1 * User Manual (EN)