1. Three levels of adjustable power, up to 2000mW, suitable for long-distance flights 9 optional channels 2. high-strength aluminum alloy CNC shell to assist fan cooling 3. Wide voltage input, supports 7-36V voltage 4. With temperature control protection function to prevent high temperature burning 5.Supports 30.5x30.5mm (M3) mounting holes Dimensions: 40x27.5x13mm Installation hole position: 30.5x30.5mm (M3) Frequency band: 1080MHz-1360MHz Number of channels: 9 Frequency: 1080/1120/1160/1200/1240/1280/1320/1360/1220(MHz) Output power: 25mW800mW/2000mW/Pit mode Frequency stability: ±100KHz (Typ.) Frequency accuracy: ±200KHz (Typ.) Signal-to-noise ratio S (Fo±3MHz): 70dBc Antenna port impedance: 50 Ohms Input voltage: DC7-36V (2-8S Battery) Output voltage: 5V@600mA Antenna interface: MMCx Cable interface: sh1.25 6pin Video format: PAL/NTSC Working temperature: -10℃ - +60℃ Colour:Black Material:Aluminum alloy Package Contents: 1x image transmission 2x connecting cable 1x antenna(With English manual) 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.