JTT is a national emerging enterprise focusing on the field of intelligent emergency rescue systems, and integrating research, production and sales of unmanned emergency rescue equipment and solutions in the air, on the land and in-and-on the water.
HERO4 Black delivers 2x the performance of its best-selling predecessor and now captures cinema-quality 4K video at 30 frames per second (fps), 2.7K video at 50fps and 1080p video at a blistering 120fps, virtually eliminating rolling shutter in most scenarios while allowing for time-bending slow motion effects. So it would be crystal clear shooting videos while getting evidences on-site during rescuing.
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