+PSPCIFICATION+P
- Brand : Bossman 
- Model : BWH204H
- Helmet : Colour RED
- View Area : 94 x 37mm / 100 x 50mm
- Filter Size : 110 x 90 x 9mm
- Light Shada State : DIN4
- Dark Shade State : Variable DIN9-13
- Sensitivity control : Low to High Stepless Adjustment
- Delay Time Control : Fast to low Stepless Adjustment 
- Grinding Function : Yes 
- ADF Self Check : Yes
- Low Battery Alarm : Yes
- Power Supply : Automatic (Solar Cell + Replacement Li-ion)
- UV/IR Protection : Up to DIN 16
- Operation Temparature : -10 ~ +55 degree Celsius
- Weight : +/-40g
- Swith Time : 1/30000s CE & ANSI approval