Sensor size 1/2.8" | Pixel Resolution 2 Mega Pixel | Microphone Built-in | IEEE 802.11 b/g | IEEE 802.11n | 1xRJ45 | Supports card capacities up to 256GB | Power options 12V | Dimensions Camera: 147.7 × 74.2× 74.2mm; NVR 260x248x48mm | box quantity 1