... waterproofcommon waterproof, super-waterproof, sigle side waterproof and double-sided waterproofSurface Quality(Scratch/Dig)80/50, ... !5. ApplicationsInfrared monitoring and thermometer, IRD infrared detector, license plate recognition, medical monitoring and nursing, car security ranging ... kinds of products prevent from scratching, bruising, and smashing during shipping.9. Other items about bandpass ...