Being supported by an highly developed and skilled IT group, we could offer you technical support on pre-sales & after-sales support for 10-flat Multi Tenant apartment video door phone, Outdoor Security Camera Doorbell, Cctv Intercom, 2 Wire Intercom,Video Intercom Entry Panel. Great high quality, competitive rates, prompt delivery and dependable assistance are guaranteed Kindly allow us to know your quantity requirement under each size category so that we can easily inform you accordingly. The product will supply to all over the world, such as Europe, America, Australia,Cambodia, Munich,Portugal, Jeddah.Why we can do these? Because: A, We are honest and reliable. Our items have high quality, attractive price, sufficient supply capacity and perfect service. B, Our geographical position has a big advantage . C, Various types: Welcome your inquiry, It might be highly appreciated.