his fully-sealed keyboard is designed to meet NEMA 4X and IP67 specifications, meaning it is resistant to dirt, dust, water, ice and corrosives. Built with an industrial silicone rubber keypad and a rugged ABS polycarbonate case, the BT-80-TP is easy to clean with disinfectants. The compact design and internal Bluetooth® module make the BT-80-TP highly portable. In addition, its red LED backlighting is ideal for nighttime or ambient-light use. It is an ideal fit for mobile, material handling, food and beverage processing, medical, and other environments where rugged flexibility is a necessity. (Troubleshooting? See our new PDF)