Specifications:

• View Area: 10.2 * 5.2cm / 4.01 * 2.05in
• Switch Time: 1/25000 second
• Solar Powered: Yes
• Sensitivity: Fine
• Power Supply: Solar cell & lithium batteries(2pcs CR2032)
• Model Number: Welding Mask
• Helmet Material: PP
• Cartridge Size: Filter size: 11.6 * 9 * 1cm / 4.57 * 3.54 * 0.39in
• Brand Name: KKMOON
• Auto-Darkening: Yes