... tough use in your plant or mill. Its large keys and physical navigation buttons allow for one-handed operation, ... transflective display with touch screen Anti-glare coatedKeypad25 keys including 4 action keys, 12 alphanumeric keys, tab key, function key, backlight key, ... power key,and 4 cursor-control (arrow) keys;membrane design with tactile feedback ENVIRONMENTALUsage10° C (14° F ) ...