Features: 1.Dome/Pan/Tilt/Zoom/Iris/Focus/Lens control 2.3-axis joystick,LCD screen 3.RS-485 communication, controlling up to 255 domes or cameras 4.Optional baud rate:2400,4800,9600,19200bps Specification: 1.Power Supply:DC 9-12V 2.Power Consumption:5W 3.Operating Temperature：0~+40°C 4.Relative Humidity：<90% 5.Transmission Distance：1200m 6.Product Dimension(mm):336(L)?180(W)?100(H) 7.Net Weight:1.5kg Packing: Carton Dimension(mm):440(L)?350(W)?175(H) 1pc/box,4 pcs/carton