Since 1990,DAVIDS have been dedicating in R&D of access control.We have developed and manufactured reliable products such as Access Control,Reader,Time & Attendance reader,MENS Push Button, Film Antenna Reader.
   The delicate mobile-phone-alike shape has earned universal recognition from our customers; Meanwhile our products are capable of multi-level connections, Thus it can save wire consumption, extend communications distance and facilitate maintenance, which are welcomed by projector.  Besides we have passed CE, FCC, CMC certifications.