Auto-darkening Welding Helmet 1. Model ZTG-4 2. Adapt to CHINT ADF FS-B2,FS-B4,FS-B4a,FS-B6 3. Fire resistance: yes. 4. Material & Weight: PP/PA, 0.495kgs 5. Colour: black fire 6. Dimension: 360mm×225mm×190mm 6. Fasion design, reasonable ergonomic structure, comfortable and convenient to use 7.Use high quality LCD and multilayer interference filter. provide clear view and permanent UV/IR protection up DIN16. 8. Power suppply:by solar cells and 2*3V lithium batteries, the batteries can be replaced. 9. Color:suitable for various color paint and decals. 10.Packing methods: a: 4 pcs of helmets packed together in one carton( normal). N/G weight: 2.284/5.171KGS Size of carton: 540×534×316mm b: 6pcs of helmets packed in one carton( economical). N/G weight: 7.341/3.45KGS Size of carton: 810*534*316mm c:20 pcs of helmets packed in one carton (economical N/G weight: 10.5/20.07KGS Size of carton: 742*534*445mm