FLDK 110 (Laser, sensitivity 0,2 mm) Copy counters plastic 60 mm - counting of up to 600'000 copies/hour, standard connector M12x1, compact design, IP 54 FLDK 110 (Laser, sensitivity 1,5 mm) Copy counters plastic 55 mm - Plug & Play, counting of up to 280'000 copies/hour, compact design, IP 54 FLDM 170 (Laser, with serial and CAN interface) Copy counters metal 120 mm - counting of up to 3 million copies/hour, integrated copy counter, CAN interface, IP 54 FLDM 170 (Laser, with serial interface) Copy counters metal 90 mm - counting of up to 3 million copies/hour, integrated copy counter, IP 54