This CCTV Sound Monitor with RCA + DC5.5*2.1MM Connectors is an essential part for any security system. With this monitor you can not only view the images from your security cameras, but also hear the sound that is recorded. This ensures even better security of your home or business. Best of all, this CCTV Sound Monitor is refurbished, meaning it has been overhauled and restored to excellent condition. By choosing a refurbished product, you can enjoy the latest technology and features without having to pay the high price of a brand new product. Moreover, this is not just any refurbished product, but one of high quality that will meet all your security needs. The RCA + DC5.5*2.1MM Connectors allow you to easily connect to your security cameras and other devices. This allows for seamless integration into your existing security system and ensures you always have crisp and clear sound when you need it. Whether you are at home or in the office, with this CCTV Sound Monitor you can always rely on excellent sound quality. Whether you are looking for a new addition to your security system or simply want to upgrade your current system, this CCTV Sound Monitor with RCA + DC5.5*2.1MM Connectors is the perfect choice. With its refurbished condition, high-quality performance and ease of use, this product is sure to meet all your expectations.