Support Coaxial PTZ Control with AHD DVR for AHD signal. Support RS485 PTZ control. Super good night vision. 4pcs High quality array LEDs, 2pcs laser leds, auto-switch to long/middle/close distance focus(Light up different numbers of LEDs), 100M IR distance. High performance constant-current design, leds light time up to 50,000 hours. Infrared light and magnification range ...