Does not come with a built-in DVR. Not a wireless product * SONY Color CCD Image Sensor * Picture Elements: NTSC: 512 H x 492 V - PAL: 512 H x 582 V * Horizontal Resolution: 470 TVLines ; Minimum Illumination: 0.1 Lux * Horizontal Sync Frequency: NTSC: 15.734 KHZ - PAL: 15.625 KHZ ; Vertical Frequency: NTSC: 60 HZ - PAL: 50 HZ * Clock frequency: NTSC: 19.0699 MHZ - PAL: 18.9375 MHZ ; Lens: 3.7mm Pinhole Lens