For closed-circuit television (CCTV) cameras, the switching power supply is a crucial component. It allows surveillance systems to have a stable and reliable power source. Convert household AC volts into a low-voltage DC current suitable for CCTV cameras. This not only guarantees the operation of your equipment, but also is safe for its operation. Over-voltage and over-current Protection features are combined. The adapter, having close to ten years of experience with camera equipment design, at last has a complete strategy for dealing with any external threats that arise including high-energy surges during thunderstorms which can harm your valuable property. It is typically designed with plug-and-play feature. You can easily install it. These adapters fit a great variety of CCTV camera and are suitable for various residential and commercial surveillance systems.