Brand: Yili
Model: KL-WH4500
Model:KL-WH4500Light state: DIN4Dark states: din9-13 ( stepless regulation)Switching time: < 1/10,000s at room temperature(dark to light) <0.1-1s (automatic)Delay time: (as buyer’s option)(KL-WH4500A) slow:0.6s~0.8s fast:0.1s~0.3.sSensitivity adjustment(as buyer’s option)(KL-WH4500A): LOW/HIGHBatteries: Li-Mi & solar combination(min. Lifetime: 3000 welding hours)Viewing area: 90 x 40 mm (3-1/2” x 1-2/3”)Size of filter cartridge: 110 x 90 x 10mm (4-1/3” x 3-1/2” x 1/3”)Weight: 430G (1 Pound)Material of helmet: nylonAvailable color: blue/ black/ silver