Chengdu MELSEE Electronic Technology Co. Ltd has been focusing on designing and producing video door phone products and access control products in security industry for many years. Our main products include audio door phone, analog and digital villa video door phone system, multi-apartment video door phone system, smart home automation system and access controls. With our research, development, design, production and distribution team and factory product lines, we have established a complete manufacturing system from PCB design, mould, SMT, wave-soldering, assembly, testing to packaging service, to ensure more than fifty thousand units products are monthly integrated to fulfill customers&＃39; requirements. Our minimum orders quantity is 50 sets, delivered in 15 to 25 working days. And we ensure a 24-month after delivery warranty. Company is committed to delivering quality service in time, especially with regards to questions about exporting products to your location. We are appreciated that customers could send back the defective item for our maintenance. MELSEE&＃39;S essence: innovation, sustainability, and commitment. We also welcome OEM and ODM orders. Whether selecting a current product from our catalog or seeking engineering assistance for your application, you can talk to our customer service center about your sourcing requirements. You will be satisfied with our high-quality products with reasonable price in timely delivery and perfect after-sale service.