- slight use - instructions page not included but can easily be found online. It is simple in design. - both camera and monitor work like new - I have video proof of monitor in action if needed, please let me know From manufacturer: RELIABLE MONITORING: Our patented, Active Noise Reduction technology, filters out background noises in the nursery like fans, air purifiers, heaters, and air conditioners so you can hear your baby more clearly and enjoy a restful night’s sleep. - ULTRA-CLEAR VIDEO QUALITY: Our high definition screen offers sharp video quality and enhanced night vision with 720P resolution for ultimate coverage. The closed circuit camera system is hack proof so the video feed is only viewable by you. - VIVID LARGE 5" SCREEN: An improved LCD screen offers better brightness, sharpened viewing angles, and a vivid color display, giving you exceptional clarity day and night, even in low-light settings. - HACK-PROOF CONNECTION: To assure that your kid's room camera is secure, our baby monitor with camera and audio operates on a 2nd-generation FHSS closed circuit camera system. Each camera unit only pairs to ONE monitor unit only as a safety mechanism. - FULL VIEWING CONTROL: Have complete control of your viewing angle with our baby monitor's pan, tilt, & zoom functionality. Interchangeable lens technology allows you to swap between a zoom lens (up to 6X zoom) and a wide-angle lens (sold separately).