Auto darkening welding helmet BTUN9000

View size: 100mm x 97mm

Material: PP

Light shade: DIN4

Dark shade: DIN5-9/9-13 (external adjustment, variable)

Switch  time: 1/30,000s

Sensitivity: Low to High, stepless adjusted

Delay time: 0.1s - 1.0s stepless adjusted

Battery supply :lithium CR2450 plus solar

Power ON/OFF Fully automatic Sensors no.4

UV/IR protection: Up to 16 DIN at all time

Grinding Function: YES

ADF self-check: YES (test button)

Low battery alarm