Grower's Edge Digital Thermometer / Hygrometer w/ Remote Sensor

Large screen digital readout. Wireless sensor transmits up to 50 ft. Expandable to accept 2 additional sensors. Waterproof casing is chemical and UV resistant. Displays in ºF or ºC. Wireless Sensor - For use with Grower's Edge™ Digital Thermometer/Hygrometer #716555. Transmits up to 50 ft. 2 AAA batteries included.