Audio Door Phone SZ-2S Specifications Gallery Specifications Others Internal switcher Clear and inclusive voice Easy installation Applicable for both villa and multi apartment system Applicable to install in cold, heat and humid climate Gallery
Audio Door Phone SZ-5S Specifications Gallery Specifications Others Applicable connectivity with 3 wires Clear and inclusive voice Easy installation Applicable for both villa and multi apartment system Applicable to install in cold, heat and humid climate Gallery SZ-5S
