Ryobi Auto-Darkening Welding Helmet

• Powered by solar cells and lithium battery for fast switching and low-amp sensitivity (Batteries included) • No need to raise & lower helmet during usage • Conforms with standards CE, EN379 and EN175 • 92.5 x 42.5mm viewing area for greater visibility • Fully automatic light (DIN4) to dark (DIN9-13) in 3/10 000 second • Lightweight & comfortable with a weight of 350g • Has a grinding mode setting Field of Vision: 92.5 x 42.5mm Light Shade: DIN4 Dark Shade: DIN9-13 Switching Time: 3/10 000sec Delay Time: 0.2-0.4sec Power On/Off: Fully Automatic Power Supply: Li-Battery & Solar Operating Temp: -20ºC to 65ºC UVB Protection Grade: DIN16 Optical Class: 1/1/1/2 Arc Sensor: 2 Nett Weight: 450g