ECOWITT Wireless Pool Thermometer WN0298, Floating Easy Read, Temperature Sensor for Swimming Pool, Bath Water, and Hot Tubs, Indoor LCD Display Pairing with 8 Channels WN31/ WN30

• Wireless Pool Thermometer: The maximum connection distance is 300 feet. Support to ecowitt gateway GW1100/GW2000 with 8 channels and HP2551/HP2561/WS2910 weather station.
• Premium quality: The thermometer has adopted high-quality materials, it is solid and durable. Press button 3s to wake up the device. Once power-up, it will display the “36” model number and RF frequency, like 868, for 2s, and resume normal mode operation.
• Uploading Data to the Internet: The gateway/hub/consoles can also send the data to configured internet-based ecowitt.net server after finishing the Wi-Fi configuration.
• Temperature Sensor: Quick press the button once to freely toggle the ℃ or ℉ unit; Press and hold for 3s, and the channel number will start to flash. Release and press once in a cycle between channels 1 and 8. Leaving the key untouched for 10s will terminate the channel setting; Pressing and holding for 6s will force the device to enter idle mode: LCD will be off and enter a minimum power consumption state.
• Swimming Pool Thermometer: The IP68 waterproof thermometer is ideal for Indoor&Outdoor use like swimming pools, Fish Ponds, aquariums, baby baths, spas, etc. Wireless remote sensor temperature measurement range: 0°C – 60°C (32°F - 140°F). Battery life: Minimum 3 years (5 years by stationary state).

Features IP68 Waterproof; Temperature; Specifications Measurement Range Accuracy Resolution Temperature 5°C – 60°C (32°F - 140°F) ±1° 0.1° Battery: 2 x AA 1.5V battery (Built-in) Battery life: Minimum 3 years (5 years by stationary state) Transmission between gateway and sensor Transmission distance in open field: 100 m (330 ft.) depend on environment RF frequency: 868 MHz depending on location Updates on the gateway: About 60 seconds Parts List Outdoor sensor: 2 x AA 1.5V battery (Built-in) Indoor LCD display