| Helmet Type | HM-9520 | HM-9620 |
| Filter Size | 110mm×90mm×9mm |
| Active Viewing Area | 92.5mm×42.5mm |
| Light Shade | DIN4 |
| Dark Shade | DIN9~13 |
| Way to shift Dark State | Inner Control, stepless shift |
| Switching Time | 1/10000S |
| Sensitivity Adjustment | Stepless Control |
| Delay Time | 0.1S~0.8S |
| Power Supply | lithium battery&solar powered |
| Rated Capacity of Lithium Barrtery | 600mAh |
| Operating Temperature | -10℃~65℃ |
| Sensors to Weld Arc | 2 |
| Mask Material | PA/PP |
| Protect Grade against UVB | DIN15 |
| Grinding | NO | YES |
| Test | NO | YES |
| Low battery | NO | YES |
| Inside Protect shelter | 104mm×47.5mm×1mm |
| Outside Protect Shelter | 109mm×89mm×1mm |