Baby Camera use state of-the-art 2.4 GHz RF technology to transmit crisp clear video and audio signals through the walls and between the rooms in a house. The Omni-directional Dipole antenna reduces multipath interference. The pop-up camera with a user friendly design makes these products ideal for DIY security surveillance. In addition, you can use the Baby Camera to send the audio/video signals from a source equipment such as cable TV, in a different room. The product contains a Baby Camera and a Wireless Receiver. The Baby Camera shall be trained at the place. The Wireless Receiver within any place of the building.      2.4 GHz Wireless Surveillance System Item Receiver Handheld LCD Monitor (Receiver) Display type  TFT-LCD Display type TFT-LCD 1.8-inch diagonal.