Independent wiring cavity makes wiring more convenient. Angle disc design, faster installation and more precise adjustment of the aiming angle. Stainless steel fasteners, better corrosion resistance. Professional fin-shape channel design for faster heat dissipation. Tempered glass, high light transmittance and impact resistance. 0-10V dimming control. Beam angles are optional: 40°/60°/90°/120°. 5-year warranty. Body: ADC12 aluminum. Lens: tempered glass. Surface: explosion-proof joint surface. Best-in-class efficacy up to 120-140 lumens per watt. Low temperature applications to -40°C (-40°F) and high temperature up to 60°C (140°F). Waterproof and dust-proof, without internal cleaning and maintenance. Simple structure for easy and quick installation.