Features: 1.Four Ranges Correction 2.Auto Reading Hold 3.Battery Indicator 4.Room Temperature & Humidity Measurement 5.MAX/MIN Record Review 6.Auto Power Off 7.Large LCD with Backlight Main Specifications: Moisture Range：2~40%/50%/60%/70% Resolution：0.5% Temperature Range：-10℃~60℃ Humidity Range: 20%RH~90%RH Moisture Reponse Time: <1S Tolerance：±1% Power Supply：2*1.5V AAA battery Meter Dimension：135.6x55x29.4mm Weight: 95g Accessories: Battery, Manual, Paper Card & Blister