With work stability, strong anti-interference ability and shock resistance. Full sealed structure base, with superior waterproof performance. With the anti-surge protection device. Professional custom led chips, with high light brightness and long service life. Transformer isolation step-down, all electrical work in low voltage circuit can save the service life of light source. Easy to fold design, can reduce the secondary damage to helicopters effectively. Arc adjustable design in chassis mounting holes, easy to install. Pc material cover, provides corrosion resistance and uv protection.