This is a 2.4GHz 700mw 8CH wireless audio and video transmitter and receiver. It can be mainly used in places where wire installation is inconvenient. For example, you can use it for judicial evidence, community management, supervision of factories, mines and enterprises, warehouses, schools, banks, hospitals, taking care of infant and old people.
Matching 8 channel digital display receiver machine technical parameters:
Open expanding transmission of instructions: the first wireless 3DB small antenna transmission 200 meters; transmit and receive antenna transmission access 7DB 400 m; access 13DB antenna mass 700 m; access 15DB transmission antenna 900 meters.( Extra money is needed for antennas except 3DB)