48 channels: Cover A, B, E bands and F band ( band), 4 bands and all frequencies compactable; Two switching buttons: CH button for frequencies channels switching, FR button for frequencies bands switching; Two digits display: one for CH and the other for FR, real-time positioning which frequency band and which channel received; Power off memory: the very last frequency band and channel video and audio signal outputs type:A: TS832 Transmitter TX TS832 specs: Power input: 7.4-16V (3S Lipo suggested) Transmitting power: 600mA Antenna gain: 2db Working current: 220mA at 12V Video bandwidth: 8M Audio bandwidth : 6.5M Colour:As Shown Material:plastic+metal Package Contents: 1 x Transmitter Due to different product batches, there may be differences in appearance, but the functions are the same Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.