Ambient Weather WH31PF Wireless Waterproof Floating Pool and Spa Thermometer for WS-1550-IP, WS-2000, WS-2902B, WS-2902C, WS-3000, WS-5000 and ObserverIP Series Weather Station
- Includes 1 wireless floating thermometer.
- Supports up to 8 channels for integration with your WS-1550-IP, WS-2000, WS-2902B, WS-2902C, WS-3000, or WS-5000.
- RF 915 MHz sensor range up to 300 feet (100 feet in most conditions) with 60 second refresh rate.
- Sensor powered by sealed internal, non-replaceable AA alkaline battery.