Wireless Range: Upto 75 feel (23m) line of sight
Wireless Frequency: 910MHz to 920MHz (US), 868.1MHz to 868.5MHz
Display: 5000 count liquid crystal display with backlight
Auto-off: off after 30 minutes to extend battery.
Indicators: Continuity beeper (<100O). Low bat.
Overrange: "OL" or “-OL” is displayed.
Operating environment: 32 to 122°F (0 to 50°C) <70%RH
Storage environment (with batteries removed): -4 to 140°F (-20 to 60°C) <80%RH
Altitude: 6561.7 feet (2000m).
Battery life: 100 hours typical.
Battery type: 9V NEDA 1604 type
Stated accuracies: 74°F±8°F (23°C±4°C), 75%RH
Temperature coefficient: 0.1 x (specified accuracy) 1°F/°C (32 to 66°F (0 to 19°C), 82 to 122°F (28 to 50°C)).