We’ve integrated the AOISUN DS4 Warning Screen into our DJI UAV fleet for traffic control and public safety missions, and it’s exceeded all expectations. The 4-fold hollow design is a marvel—at just 240g, it barely impacts flight time while delivering a massive 23.4-inch display.
The 1024 full-color LEDs and 120° light angle make warnings visible from 1000m away, which is critical for highway accident scenes and crowd control. We love the flexible control options (PSDK, app, WeChat mini-program) and multiple flash modes—dual-color alternating flashes cut through fog and daylight perfectly. Installation was a breeze with the quick-release screw mount, and it paired seamlessly with our DJI SDK in minutes. It operated reliably in -5°C winter conditions, proving its durability. This is the most versatile UAV visual alert system we’ve tested—highly recommended for emergency services!
We used this AOISUN flamethrower to create firebreaks during wildfire response in -25°C conditions, and it performed flawlessly. The OSDK integration with DJI M350 gives precise control over flame output, and the anti-clogging pump handled our specialized eco-fuel perfectly. Safety interlocks and real-time temperature monitoring kept our team confident during high-stakes operations. It’s become an essential tool for our emergency response unit.
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