MODEL:MC7821 MEASUREMENT RANGE MOISTURE CONTENT:8～20% TEMPERATURE:-10～55°C RESOLUTION:0.1 ACCURACY: MOISTURE:±0.6%（UNDER 14%) ±0.8% (15%-18%) ±1% (OVER 18%) TEMP.:±0.8°C GRAINS: PADDY, RICE, CORN, WHEAT,etc. POWER SUPPLY:4X1.5V AA(UM-3)BATTERY DIMENSION:178X68X39mm