The BW 3000 Camera features a Digitally Encrypted System for Secure Digital Crystal Clear monitoring. It protects against eavesdropping and hacking for added Peace Of Mind. When combined with the BW 3001/BW 3002 or BW 3101/BW 3102 Monitor Receivers, a handy “Walkie Talkie” Function enables you to talk to and soothe your baby remotely. The Monitors also come with a selection of Lullabies to play to your baby. Each of the Monitor systems enable you to see and hear your child, even during the evening with Night Vision. This optional camera contains a multipurpose adjustable clamp that simply enables the camera to secure to the rails of a cot, a shelf or stand freely on a bedside table. Each system can be expanded to accommodate 4 cameras. The BW3000 is also an Optional Camera for the BW3101 and BW3102 Monitor Receiver.