LED projection lamp anodizing, compact structure, anti-corrosion, waterproof and dustproof performance is good; the lamp body is made of light alloy materials, seal and special surface coating, ensure lamps in damp, high temperature and other harsh environment corrosion, no rust; using permeable structure design, optimization of heat dissipation structure to ensure the service life of the lamp; imported chip, LED package structure optimization, to achieve low attenuation, high efficiency, energy saving and environmental protection advantages; the lamp adopts angle locking device, which can guarantee the vibration environment long-term work angle is still not changed.