Brand: N/A Model: N/A Quantity: 1Piece Material: Aluminum alloy Color: Black Features: Working with 4 cameras max， quad display Professional 2.4GHz digital wireless security camera Four channel available monitoring at the same time Network remote monitoring 100% safe signal， privacy guaranteed Receiver resolution: 480 x 240 Audio &amp;amp: Video recording， image capturing Image Sensor: 1/4" CMOS Effective Pixels: 628 x 582 (PAL) / 510 x 492 (NTSC) Horizontal Resolution: 380 Line Transmission distance in the open place: 150-200m Outdoor waterproof 8-10 meters night vision range Receive Frequency: 2.4-2.48GHz Digital modulation mode: GFSK Sensitivity: ≤-85dBm Consumption: ≤1W Packing list: 4 x Cameras 4 x Bracket for camera 4 x Antenna 4 x 100-240V power adapter 1 x Mounting hardware (bag) 1 x Software CD 1 x English user manual CD: http://m5.img.dxcdn.com/CDDriver/CD/sku.58181.rar<img src="http://112.74.112.28/down/products/420314/420314_000.jpg" noproxy>