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 ° C - + 60 ° 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)