... .0inch,8.0inch,8.4inch.10.4inch, 12.1inch,14.3inch,15inch,17inch,19inch,21inch,22inch;Apply To Specification:· ... Surface Hardness3H · Optical Clarity80 %↑ · Operating Temperature -10°C ~ 60°C · Endurance Test strikes Over 1 million · Operating Voltage DC5V · ... glare coating · Operation Pressure 15 ~ 70g · Storage Temperature-20°C ~ 70°C · Message Noise5 m sec ~ 15 m sec · Operating ...