SZ-MST S2/China
- Filter size: 110x90x10mm, fixedly mounted on the welding mask. Many other types of filters of the same size can be replaced with this mask.
- View window size: 92x42mm
- Light / dark status: DIN 4/DIN 9-13
- Adjustment knob (left side of mask): When placed in the off position, the darkness is 4 (corresponding to the case of eye protection when welding), rotate clockwise to get darkness 9,10,11, 12,13 depending on the electric current intensity when welding.
- Extremely fast automatic "darkness" adjustment speed: 1/25,000 second
- Delay time: adjustable from 0.2 to 0.8 seconds (turn the DELAY knob from min to max)
- Use lithium batteries and solar batteries
- Light sensitivity: Adjustable from low to high (rotate knob from LO to HI)
- Green
- The product meets European EN standards

SZ-MST S1/ China
- Filter size: 110x90x10mm, fixedly mounted on the welding mask. Many other types of filters of the same size can be replaced with this mask.
+ Visible area size: 100x50mm
+ Light / dark status: DIN 4/DIN 9-13
- Adjustment knob (right side of mask): Rotate clockwise to get darkness 9,10,11,12,13 depending on the intensity of the electric current when welding.
- Extremely fast automatic "darkness" adjustment speed: 1/25,000 second
- Light sensitivity: Adjustable (rotate knob from LO to HI)
- Delay time: 0.6 seconds
- Power supply: 2 small batteries and solar battery
- On and off mode: Open by pressing button (ON) - Turn off automatically
- Light sensitivity: Adjustable (rotate knob from LO to HI)
- The product meets EN379:2003, EN 169:2002, EN 175:1997, ANSI Z87.1.2010 standards

Model: WH4000
- Mask material: PP plastic
- Brightness: DIN3; Darkness: DIN11
- Sensitivity: 1/10,000s at normal temperature
- Delay time: 0.5s
- Sensor: 02 pieces
- Power supply: Rechargeable battery and solar energy
- Dustproof, waterproof; UV & IR protection: Up to 16
- Overall size: 110 x 90 x 8mm (4-1/3” x 3-5/9” x 1/3”)
- Field of view: 98 x 35mm (3-6/7” x 1-1/3”)
- Weight: 430g
- Application: Arc welding, MIG, TIG

AW7R / Blue Eagle
- Material: Heat-resistant PP plastic
- Features: Impact resistance, UV, IR, and strong light resistance when welding; Automatically adjusts light to suit the welding environment; Fireproof and heat-resistant; Insulation
- Light state: Shade 4
- Dark state: Group 1 (Shade 5, 7) and Group 2 (Shade 8, 9, 10, 11, 12)
- Switching time:
+ Light → Dark: 1/10,000 seconds
+ Dark → Light: customizable (0.1s, 0.3s, or 0.5s)
- Power: Rechargeable lithium battery (Fast charging via USB - Micro USB cable)
- Filter size: 94mm x 43mm
- Standards: EN379, EN175, ANSI Z87.1, Z94.3