... .9MHz)selection, digital display irror display frequency, RF output stably, more frequency for selection, without interference problem.8, Equipped with USB-HOST ... and reequip.13, With 3.5" TFT monitor and back up wireless camera . • Specifications: 1,Bluetooth version: V2.0 and A2DP 2,Working voltage: 12 to 24V DC 3 ...