Estabilidad y Seguridad: El diseño hexacóptero ofrece estabilidad adicional y seguridad en caso de fallo de un motor. *The protection rating isn't everlasting and will decrease after a while soon after prolonged-phrase use as a result of ageing and dress in. The protection ratings of the aircraft pointed out above https://www.aeroindustrial.com/product/dji-terra-pro-overseas-1-device-1-year/