A must for safe storage and purchase of baled hay. One-step push-button operation gives immediate and direct digital readout of moisture percentage or temperature. Fully calibrated - no adjustments necessary. Moisture range: 14%-45%; ±1% accuracy. Temperature range: 33°-250° F (accurate readings in 60 seconds). Lightweight and completely portable. Operates on a 9V alkaline battery (included). Probe has a rigid handle for secure grip. Can be used for alfalfa. One-year warranty. CSA approved.