Boyo VTX100 Wireless Transmitter and Receiver Modules Allows Wireless Transfer Of Images From Any Reverse Camera To In Care Receiver 4 Channels Of Frequency Built-In Video In-Line Filter Built-In Wireless Transmitter and Receiver Built-In Video In-Line Filter 2.4 Ghz Main Channel Receives Information Up To 60 Ft Away Allows Wireless Transfer Of Images From Any Reverse Camera To In Care Receiver 4 Channels Of Frequency