1.The camera is one of the World's Smllest Wireless Color Cameras, only the size of a coin with adjustable metal stand.Wireless trans mission and reception,small size light Weight,Low power consumption,high sensitiity,easy to install&operate,easy to conceal 2.The complete system including mini wireless camera, video receiver, power adapters, etc. Just need to connect to your TV or VCR (DVR) for video/audio monitoring.Suitable for facilities in the supermarket,shop,department store clothes shop,workshop,warehouse,school,office and home 3.Adjustable Wireless Video Receiver to match camera frequency. 4.100-240V Universal Power Adapter for Wireless Camera 5.100-240V Universal Power Adapter for Video Receiver 6.9V Battery Adapter for Wireless Camera 7.200 Feet Receiver Range (open space) 8.380-line TV Resolution 9.System:PAL/CCIR NESC/EIA 10.Easy to set up. User Manual included Receiver Technical Specifications: Receiving Frequency: 900MHz-1200MHz Size: 115 x 80 x 21 mm Weight: 120 g (Alumimum cover) Package Contents: 1x Mini wireless security camera 1x Wireless video receiver 1x Video receiver antenna 1x Camera power adapter (100-240V input, DC 8V output) 1x Receiver power adapter (100-240V input, DC 12V output) 1x 9V battery adapter for wireless camera (9V battery not included) Audio/Video cables with standard RCA connectors