La Crosse Technology 308-179OR Wireless Weather Station• Large digit display ;• Wireless outdoor temperature with high & low temperature alarms ;• Indoor temperature with trend arrows ;• Temperature range: 32?F-122?F indoor, -40?F-140?f outdoor ;• Transmission range: up to 220ft;• Clock with calendar ;• Requires 4 AA batteries ;• Includes TX141-A Wireless Outdoor Temperature Sensor;