Oregon Scientific THGR810 Thermometer & Humidity Sensor This sensor is a newer version & direct replacment for the following sensors: THGR800, THGR801, THGN800, THGN801 Compatible weather Stations are: LW301, LW302, WMR80, WMR86, WMR88, WMR89, WMR90, WMR100, WMR180, WMRS200, WMR200 On-board LCD screen Includes wall mount and 2 AAA batteries