Auto switching time: light to dark is 1/25,000 Seconds. Darkness shade control (DIN) from 9-13, Clear shade 4. In full conformity with CE and ANSI Z87 standards. Charges with exposure to welding or sunlight.Operation Temperature: -5 degrees C 55 degrees C. Viewing Area: 3.62" x 1.66". SHADE RANGE: DIN 4 / 9 - 13. AUTOMATIC, LIGHTNING-FAST REACTION & RECOVERY TIMES. USE FOR ARC, MAG, MIG, MMA, STICK & TIG WELDING, OR PLASMA CUTTING. SOLAR RECHARGABLE, INTERNAL LITHIUM-ION BATTERY CELLS. Sensitivity knob for you to control.
"Grinding" can be selective by switch. Time delay switch for you to control switching time from darkness to light. Outside darkness shade level knob.And choose what you want, then pay them together. The item "BBS Auto Darkening Welding/Grinding Helmet Hood with sensitive/delay time control" is in sale since Thursday, March 9, 2017. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Welding & Soldering Equipment\Welding Equipment & Accessories\Welding Protective Gear\Welding Helmets". The seller is "proweldinghelmet" and is located in Ontario, California. This item can be shipped to United States.