Channels: 2 model type: car/boat rf range: 2. 4055-2. 475ghz rf power: <20dbm rf channel: 140 bandwidth: 500khz 2. 4ghz system: afhds modulation type: gfsk stick resolution: 1024 low voltage warning: <9v dsc port: 3. 5mm jack ppm steering range: 90° l:45° r: 45° throttle range: 35° f: 22. 5° b: 12. 5° chargeable: yes antenna length: 26mm weight: 347g power: 12v dc 1. 5aa*8 display: led indicators size: 159*99*315mm color: black/orange/silver certificate: ce0678, fcc (fs-gt2)