This Byron spare digital camera is suitable for the C950D and the CS93D camera systems.The camera has an operating distance of 200m, and up to 20 metres night vision with Infrared LED's. In addition it has a zero interference digital signal and a one way audio.Byron is the largest manufacturer of door chimes in the United Kingdom.They distribute their products worldwide and pride themselves on their firstclass service and comprehensive range of products. Everything fromresearch and development, to their friendly after sales service make them thebest company to deal with for door entry products. From a traditional country dwelling to a modern new build, Byron has somethingfor every home. Wirefree technology in door chime manufacturing has beenaround for a while, and Byron has always taken strides to be at the forefront of thistechnology, to get the best products for a demanding market. They were the first tomanufacture a wirefree rechargeable door chime, the first to have a wirefree Bellin One, the first to have a vibrating door chime and will be the first to do moreinnovative products in the future. They are able to do these innovations due to thegreat team that work for Byrons. In the last few years Byrons has expanded to be a much bigger company. Havingstarted by manufacturing door entry products over 100 years ago, they now boast aproduct range that includes, Byron Home Automation, C.C.T.V, Smoke alarms andmuch more.