TECHNICAL SPECIFICATIONS------------------XDH4-500
1) Cartidge size: 110X90X8mm(4-1/3"x3-5/9"x1/3")
2) View area: 92X42mm(3.62"x1.65")
3) Arc sensor: 2
4) Function:"WELDING"/"GRINDING"can be selective
5) UV/IR protection: Up To Shade DIN 15 at all time
6) Variable shade: DIN 4/9-13(Outside Stepless Adjustable)
7) Switch time:
a)light to dark: <;1/25000s(Room Temperature and High Sensitivity)
b)dark to light: 0.1-1.0 s at "Slow-Middle-Fast" position
8) Sensitivity: Can be adjustable at "High-Middle-Low" position
9) Power supply: Solar cells,No battery change required
10) Power On/Off: Fully automatic
11) Operation temperature: -5 °C ~ +55 °C (23 °F ~ 131 °F)
12) Storing temperature: -20 °C ~ +70 °C (-4 °F ~ 158 °F)
13) Warranty: Two years
14) Total weight: 495g
15)Available color: The color can on your option

Established in 2004, RSTAR WELDING EQUIPMENTS MANUFACTURE CO.,LTD , is one of the leading manufacturers in R&D, production and selling of inverter welding machines, plasma cutting equipment and accessories. With headquarters in Shanghai, in these years our company has invested heavily for setting up factories which are equipped with first-class production facilities in Wenzhou. 
 Company product include: Air Plasma Cutter,Inverter ARC Welder,Inverter DC TIG ,Inverter MIG Welder,Industrial Welding Machine,X-ray Flaw Detector

Keeping on the edge of the latest inverter technology, our products are of three unique advantages: smallest-size, light weight and perfect performance. Currently, we possess 12 series of product categories with more than 60 models, including inverter DC MMA, inverter DC TIG, inverter AC/DC TIG, inverter pulse TIG/MMA, inverter DC TIG/MMA, inverter plasma cutting machines, inverter MMA/TIG/CUT multi-functional machines, CO2 MIG/MAG machines & submerged arc welding machines.

Our factory has obtained CE, ISO9002 certificates and China Compulsory Certification. The reliability and stability of our products are what we concern most. We offer quality warranty to protect customers profit and maximize customers' satisfaction. With excellent quality, competitive price and optimal service, our products are popular at home and abroad, such as in Southeast Asia, Europe, South Africa, the Middle East and America.

Our company enjoys good financial standing and high reputation both at home and abroad. With our business concept, technology innovation, excellent quality, prompt response and customer appreciation, we will make our best effort to meet customers and market's demand. We sincerely hope we would hold hands with all of you together to make future better.