*Max. Resolution:1920x1080 *Model Number: DS-U02 (Improved on DS-U12, additionally supports macOS) *Auto Focus, 2 Mega Pixels, Sharp and high-quality images, AGC for self-adaptive brightness *Need to drive: no drive *Built-in microphone with clear sound *3.6mm fixed focal lens *USB interface. Plug-and-play, no need to install driver software *Operation System: Windows XP/7/10, Android, Linux, macOS(Already tested) *Cable length: 1.5m for DS-U02 *2 years warranty by Series Number, we pack the item well under CCTV and record all the Series Number for our clients.