... pixels, Product Description: barcode reader PT-20 handheld terminals PT-20 is a wireless hand-held data collection devices ... noisy environment can also open the vibrating alert.PT-20's fuselage to the IP54 waterproof, dust-proof ... height, reach the industry's high standards.PT-20 can be widely used in commercial POS systems, ... to 60 °C / 14 °F to 140 °FStorage temperature -20 °C to 70 °C / -4 °F to 158 ...