Reference:
K641+
LCD keyboard with PGM output. LCD keyboard with PGM output. Anti tamper switch and 1 PGM output. Firmware update with C4USB and WinLoad software. Simplified programming of commands via user radio. 32-character blue LCD screen with programmable labels (using PMC5, WinLoad, NEware or module transmission function). Adjustable backlight, contrast and navigation speed. Displays the time in 12 or 24 hour format. Grade 3 Certificate.