SMARTWELD ADF USB-C RECHSHADE 4/9-13 2.5"X4.25"

An ideal way to convert your passive welding helmet to auto darkening. True Color technology delivers a crystal-clear view of the weld. Compatible with a USB-C charger. Charge lasts approximately one month of usage (160 hours). Compatible with HSL-1, HSL-2 and Huntsman series along with many other passive style hoods.