DGS10 / 127L (A) LED roadway lights a model meaning: two, Applications: 1, a coal mine gas (methane family) coal dust explosion hazard sites; 2, the bottom Roadway, may also have watering the use of larger infrastructure mine tunnel and cavern. Third, the product features: 1, using imported LED light source, compared with the same brightness incandescent about 90%, with the current energy-saving energy-saving lamps on the market compared to about 60 percent. 2, light average life of 100,000 hours, can achieve long-term maintenance. 3, the use of advanced optical technology designed mirrors, two-way light effects, make more uniform illumination, long distance illumination, particularly suitable for use in coal mine tunnel, hanging lamps 3 meters high, with light distance up to 15 meters, evenness Up to 0.7. 4. The shell is made of high-tech surface treatment electrostatic spraying technology, corrosion resistant, waterproof and dustproof, suitable for harsh environments. Fourth, the technical parameters: ¤ Rated voltage: AC220V / 50Hz ¤ proof mark: Exd I ¤ source type: LED ¤ color: 80 ¤ Protection class: IP65 ¤ corrosion rating: WF1 ¤ Cable Specifications: φ10mm-φ14mm ¤ Color: ¤ white Dimensions: 424mm × 177mm × 77mm five, equipped with light and graphs: Order No. source rated power (w) Luminous Flux (lm) color temperature parameter (k) average life (h) DGS10 / 127 (A) LED 10 90-150lm / w 2800-6500 50000 DGS24 / 127 (A) LED 24 90-150lm / w 2800-6500 50000 DGS35 / 127 (A) LED 35 90-150lm / w 2800-6500 50000 DGS48 / 127 (A) LED 48 90-150lm / w 2800-6500 50000 six, quality assurance: ¤ This product is in strict accordance with IS09001: 2000 international quality management system standards for quality control to ensure product quality is higher than the national standard fully meet the design requirements, since the purchase of three years, the product any failure (non-human failure) maintenance-free under normal use by the company.