Shenzhen Welldone Technology and Industry Co., Ltd. of China is a leading manufacturer and exporter of wireless doorphone wireless intercom system and wireless intercom access control system in China. We mainly focus on short-range wireless communication and residential security products. The patent products of wireless door phone and wireless intercom access control system are designed specially for modern residents and office building consumers. They have the integrated functions with wireless... More
Wireless Doorphone GP-MA601(GP-MA601), Wireless Doorphone GP-MA400(GP-MA400), Wireless Door-releaser(GP-MA40L), GSM Wireless Door Phone(G110)
