Plastic case material - 4-channel audio + 4 channel video real-time D1 high definition - Compression format: H.264 LV9 - Field frame rate: 100fps PAL / 120fps NTSC - Video recording frame rate: 100fps PAL / 120fps NTSC - Display resolution: 1024 x 768 / 1280 x 1023 / 1440 x 900 (wide screen) - Preview resolution: D1(704 x 576 PAL / 720 x 576 NTSC) - Video resolution: CIF(352 x 288 PAL / 360 x 288 NTSC) - Video backup: Hard disk / ZIP / USB disk / CD-R(W) - Motion detection / sensor alarm - Each channel can set working time independently - Teletransmission: TCP/ IP protocol - Supports remote monitoring / IE browser / DDNS - Supports Windows 2000/XP/Vista - Cable length: 150cm - Comes with software CD CD: http://m5.img.dxcdn.com/CDDriver/CD/sku.112974.rar