### English Translation ▲1. The product structure complies with the standards of **GB/T 3836.1-2021 Explosive atmospheres – Part 1: General requirements for equipment**, **GB/T 3836.2-2021 Explosive atmospheres – Part 2: Equipment protected by flameproof enclosure "d"** and **GB/T 3836.4-2021 Explosive atmospheres – Part 4: Equipment protected by intrinsic safety "i"**. ▲2. Explosion‑proof Marking: Ex db ib IIC T6 Gb. Equipped with explosion‑proof test report and explosion‑proof certificate. 3. Adopts 3 high‑power LED chips; Rated Power: 3×3W. 4. Rated Voltage: ≤4.2V; Rated Capacity: ≥7800mAh. 5. Continuous stable working time: ≥5 hours (High light) / ≥15 hours (Low light). ▲6. Ingress Protection Rating of Housing: ≥IP66. 7. Switch Mode: High light – Low light – Strobe – Off. 8. Housing Material: Premium 6061‑T6 aviation‑grade aluminum alloy (sandblasted and anodized finish). 9. Dimensions: ≤154*69mm. 10. Lens Material: Tempered glass lens. 11. Power Indication: Low power reminder on the handle. Green light for full power; red light when remaining power is lower than 20%. 12. Built‑in 3 pieces of 18650 high‑energy polymer lithium-ion batteries. The battery is equipped with an internal protection circuit to prevent overcharging, overdischarging and short circuit. ▲13. After four drop tests from a height of 1 meter, no damage caused by the test shall invalidate the explosion‑proof type of the electrical equipment. ▲14. Flameproof performance meets the test requirements for Class IIC electrical equipment: No flame transmission occurs after 5 times of internal ignition test with 7.5% concentration of acetylene (C₂H₂); no flame transmission occurs after 5 times of internal ignition test with 27.5% concentration of hydrogen (H₂). ▲15. A test voltage of 1500V is applied between non-intrinsic safety terminals and intrinsic safety terminals for at least 1 minute, with no dielectric breakdown. A test voltage of 500V is applied respectively between non-intrinsic safety terminals and the enclosure, as well as between intrinsic safety terminals and the enclosure for at least 1 minute, with no dielectric breakdown. ▲16. Sealing rings and sealants: No obvious change after being stored for 672 hours in an environment with 90% relative humidity and 95℃ ambient temperature; no obvious change after being stored for 24 hours at -25℃. 17. Test reports with CMA or CNAS certification issued by nationally recognized third-party testing institutions are provided. All parameters marked with ▲ must be covered in the above test reports.