... input,1CH Audio output Support RS485 PTZ control Faraday GM8183 chip FCC,CE We specialize in wide range of video surveillance ... , USBX2 network, Audio,RS485, IE browse,10 languages*Faraday GM8183 chip;*Total 100f/s support CIF@25fps/ch HD1@25fps/ch ... x 220mm, about 2.2 KGs. 4ch H.264 Easy to use network standalone dvr