DAHUA NKB1000-E HDCVI/IP Control Keyboard(1923)

 Model ModelNKB1000-E General Keyboard Keypad Electromechanical Joysticks 3-axis, vector decoding,twist-on, center-return Keyboard ConnectorRJ-45, RS232, RS485, RS422 (reserved), USBKeyboard CommunicationDirect Mode, Network ModeDirect ModeInterface:1RS232/2 RS485DVR Protocol: DH-2Dome Protocol: DH-SD1/PELCO-D/PELCO-P, etc. Network Mode Interface:RJ45DVR/Network Dome:IP Address/Port/ProtocolDisplayLCD,75.2mm × 33.85mmMaximum UserNumber of 64 (including "administrator") Maximum RS485 Address (Each33.85mmMaximum)256Maximum Number of PTZ (IPC) That Can Be Added Through the Network (Each33.85mmMaximum)2048EnvironmentalPower supplyPower adapter, input 100V~240V 50Hz/60Hz, outputDC12V/2Apower consumption5WOperating Temperatures-10°C~+55°COperatingHumidity10%~90%Atmospheric Pressure86kpa~106kpaDimension330mm×139mm×53mm(W×D×H)(height: including joystick103 mm)Weight 1.3kg (Package included)