Model:PT-P304 MPEG4 Outdoor IP Speed Dome Camera ?1/4" Sony HAD CCD, 480TVL, ?18X optical, 12X Digital, 0.01Lux ?65 Presets; 2 Patterns ?MPEG4 hardware compression ?High compatible with windows media service ?High definition video with small code stream ?Real time remote surveillance & recording Model:PT-P305 MPEG4 Indoor IP Speed Dome Camera ?1/4" Sony HAD CCD, 480TVL, ?18X optical, 12X Digital, 0.01Lux ?65 Presets; 2 Patterns ?MPEG4 hardware compression ?High compatible with windows media service ?High definition video with small code stream ?Real time remote surveillance & recording Model:PT-P306 MPEG4 IP Camera with IR ?1/3" Sony HAD CCD, ?420TVL, IR on 0Lux, IP66 ?Day/night, IR distance 60M ?MPEG4 hardware compression ?High compatible with windows media service ?High definition video with small code stream ?Real time remote surveillance & recording Model:PT-P307 MPEG4 IP Box Camera ?1/3" Sony HAD CCD, ?420TVL, 1.0Lux, 0.1LUX (B/W) ?MPEG4 hardware compression ?High compatible with windows media service ?High definition video with small code stream ?Real time remote surveillance & recording