Item No.: G29B321
.Viewing Area:98×40mm               
.Cartridge Size:110×90×9mm               
.Light state: DIN.4   
.Dark state: DIN.9-13   
.Switch time: 1/25000s   
.Delay time: 0.6s   
.Power supply: Solar cells & lithium batteries   
.Power on/off: Fully automatic   
.Arc sensor: 2 pieces   
.Sensitivity: adjustment, Grinding,