There was a little drilling to insert cables but any dust was cleaned up. The camera is not really obtrusive and gives a fantastic image. Our CCTV systems are mounted to the very best common by our pleasant installers who happen to be setting up CCTV in and all https://www.google.com.fj/url?sa=t&rct=j&q=syndicationapp&esrc=s&source=web&url=https://wirelesssecuritysolution.co.uk