Stable output power 4 Power levels up to 2500mW; 40 Channels (including Raceband) Fast frequency lock, no startup interference with other pilots Built-in output power self-check functionality VTX telemetry with Tramp protocol Input voltage: 7V~34V Interface: MMCX Power levels: PIT/25mW/400mW/1000mW/2500mW Channels: 40 (including Raceband) Mounting pattern: 25.5x25.5mm/1.6 VTX telemetry: Tramp RC Tramp VTX table values: 25mW/400mW/1000mW/2500mW Colour:Black Material:plastic+metal Package Contents: 1 x Whoop 4.9G 2.5W VTX With antenna 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.