This is the "5th Elemento", create for long range, stable, strong and smooth, I fly it with a big Liion pack (4S1P 5000mah 266650 Varicore/Panasonic), flight time (normal use) 22min (drain until 3.2V) and hover +30min (2.9V)... this frame is also derived from the TBS source ONE v3 (the best), custom made (modified by me, thanks TBS for the plans ...) with 10 inch arms (400mm wheelbase) and DJI Phantom 3 original 2312A motors (from my dead P3S) & 1045 propellers, trueX configuration, and stylized designs on the top plate (for pigtail antenna and hole for gopro original mount), it has a carbon fiber bottom plate for battery mount, 35mm between plates ... run INAV 2.5.0, uses GPS radiolink SE100, foxxeer razer 1200tvl, and matek f722SE, 40A escs DSHOT600... uses Frsky R9m slim+...updating information, after battery test, I cut the top 15% of throttle because i have no use for it (motor is too strong) ... hot greetings from Brazil ;) ... maiden flight ...