DBM24VD CNB Super HIGH resolution of 600 TV Lines (DVD quality) Color Dome Video Surveillance Security Camera with 4~9mm Lens, Dual Voltage Ultra High Resolution: 600 TV Lines (650 B/W night-time), DVD quality image 1/3 SONY Supr HAD CCD 2 MONALISA chip gives super high image quality 4~9mm Vari-focal Lens Dual Power: 12VDC / 24VAC