Almost all ip network cameras have night vision features that allow for dual-mode viewing. 1. Users have the ability to communicate with the image that they are seeing through a two way audio system and external microphones and speakers. 2. Network cameras have the capability to operate on a wireless network or through wired connections. 3. The cameras normally stream video at at least 640 x 480 resolutions, and reach up to megapixel HD resolutions. 4. Most network cameras have the ability to record at 30FPS or higher..
I am using 3 of Gigaeye. Cost about $50 each.Tow of the cameras have pan and tilt.The Net eye camera APP works great on my android phone.Here is the camera on amazon: http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=gigaeye+&rh=i%3Aaps%2Ck%3Agigaeye+