Model: JT-2100B Special keyboard of speed dome cam, RS485, Muti- Protocols: Minking A01, Minking B01, Santachi, PELCO-D, PELCO-P/4800Bps, PELCO-P/9600Bps, PANASONIC, Longcomity, HUNDA600, LILIN, VICON, MOLYNX, KALATEL, VCL, Reserved, ALEC, Ultrak. Model: JT-2100C Special keyboard of speed dome cam, RS485, Muti- Protocols: Minking A01, Minking B01, Santachi, PELCO-D, PELCO-P/4800Bps, PELCO-P/9600Bps, PANASONIC, Longcomity, HUNDA600, LILIN, VICON, MOLYNX, KALATEL, VCL, Reserved, ALEC, Ultrak. Model: JT-2100D Special keyboard of speed dome cam,RS485,Muti- Protocols: Minking A01,Minking B01,Santachi,PELCO-D,PELCO-P/4800Bps,PELCO-P/9600Bps,PANASONIC,Longcomity,HUNDA600,LILIN,VICON, MOLYNX,KALATEL,VCL,Reserved,ALEC,Ultrak. Can use joystick to control zoom and focus. 2-year-warranty with best quality and competitive price!