Probe: 18"
Operating range (moisture): 14.4% to 44% depending on hay tested
Operating range (temperature): 32° - 225°F (0° - 107°C)
Accuracy: Accurate throughout the normal range of stored, baled hay
Display resolution: 0.1% moisture
Battery: 9 volt battery included
Extra rugged probe shaft made from aircraft aluminum
Sturdy pistol-grip handle
Replacement probes are available by special order