In less time than it takes to read this you can turn your TV into a video security system with the Lorex SG8840 Surveillance Camera. The security you get with this home security video camera is matched by its efficiency. An integrated rechargeable lithium battery gives this surveillance camera up to 5 hours of energy. Meanwhile 300 feet of wireless transmission allows you to easily change its location. Clear reception is always ensured thanks to a choice of 4 channels. Plus audio monitoring