Zhongshan Sunhigh Electronic Product Manufacture Co., Ltd. was established in 1999, and we are one of the earliest manufacturers to provide image and conversational door security solutions in China. With the development, we have evolved into a modern enterprise that produces complex electronic products and our products have been developed from simple color displayable modules and basic image doorbells into multi latitude image and conversation security systems. With honesty, profession and innovative design, we continuously accomplish development with high quality image and conversational...