La Crosse Technology WS-9002U-CAMO Wireless Camouflage Thermometer Wireless temperature station for indoor and outdoor readings; camouflage casing on LCD receiver Split-screen LCD; 2-button interface for toggling view between MIN/MAX temperature recordings and additional sensor readings Outdoor sensor with 80-foot maximum wireless range; measures outdoor temperatures from -21.8 to 157.8 degrees F Requires separate purchase of 2 AA and 2 AAA batteries; low battery icons for both LCD and remote transmitter Receiver measures 2-2/5 inches wide by 1 inch deep by 3-5/6 inches high; limited 1-year manufacturer's warranty