NSC11-WN Network Camera 4 Port USB 2.0 Ultra-compact Design USB Cable Wraps Around Hub For Protection & Portability USB Plug & Play Compatible With Windows 95/98/me/2000/xp/vista Or Mac Os 9.1/10.2 Jaguar/10.3 Panther/10.4 Tiger/ 10.5 Leopard Supports Wep, Wpa & Wpa2 Encryption For Wireless Security