LINSHANG Digital LCD Gloss Meter Paint Surface Glossmeter Tester Glarimeter for Stone Metal Item Type: Digital LCD Gloss Meter Measuring angle 60° Measuring spot Approx. 9 x 15mm / 0.35 x 0.59in Minimum size of test object Approx. 20 x 10mm / 0.79 x 0.39in Measuring range 0-200GU Resolution 1GU Repeatability 0-100GU: ±1GU; 100-200GU: ±1% reading Reproducibility 0-100GU: ±1GU; 100-200GU: ±1% reading Zero error 1GU Indication error 0-100GU: ±3GU; 100-200GU: ±3% reading Battery power Rechargeable lithium battery 3.7V at 650mAh Display 240x128 lattice LCD System language Simplified Chinese, English Charging interface USB(Type C) Data interface USB Product size Approx. 140 x 48 x 75mm / 5.51 x 1.89 x 2.95in Working temperature range 10~45℃, 0~85%RH(no condensation) Storage temperature range -10~60℃, 0~85%RH(no condensation)