We insist over the principle of development of 'High top quality, Performance, Sincerity and Down-to-earth working approach' to supply you with exceptional services of processing for Mobile DVR Player
, Mobile DVR Recorder
, Automated Passenger Counter
, People Counter
. Watchdog Electronics is one of China's professional manufacturers and suppliers specialized in Passenger information system, as well as Passenger information system. Feel free to buy quality Passenger information system at cheap price in our factory.