Paladin pl18 specs: channels: 18 model type: fixed wing, helicopter, crossing machine, multi-axis, engineering vehicle rf: 2. 4g rf power: < 20 dbm 2. 4ghz protocol: afhds3 distance: >3km channel resolution: 4096 battery : 1s (3. 7v) * 4300mah (built-in) charging interface : micro usb / wireless charging charging time: 6h@5v/7h@2a (wireless charging) life time: > 8h low voltage warning: <3. 7v antenna type : dual antenna display: hvga 3. 5"" tft, 320*480 language: chinese and english simulator: usb simulator data interface: usb, non-standard interface (usart), phjack (ppm) temperature range: -10 â° c - + 60 â° c humidity range: 20%-95% online update: support transmitter color: black dimensions (length x width x height): 214*86. 5*192 mm body weight : 946g certification ce, fcc id: n4zft1800, rcm (fs-ft18)