There was a certain amount of drilling to insert cables but any dust was cleaned up. The digital camera isn't obtrusive and provides an excellent picture. We unquestionably feel Secure and secure understanding that our creating is guarded by a top notch safety program. We would suggest CRISM each https://www.google.com.kw/url?sa=t&rct=j&q=syndicationapp&esrc=s&source=web&url=https://wirelesssecuritysolution.co.uk