Features:

• Power and communication indicator lights
• 5000 FT (1500 m) open range
• Long battery life (minimum 10 years) with included 1.5V Lithium AA batteries
• Transmitter temperature range of -40 degrees F to 140 degrees F (-40 degrees C to 60 degrees C)
• 10K (type 2 and 3), 5K, 12K and 20K resistance setting options
• Compatible with all tekmar controls and thermostats as well as other manufacturers products
• 8 walls / 250 ft. (75 m) indoor range
• Low transmitter battery status indicator on the receiver