★ ★ Product specifications

"Size": 13.5x1.8
"material": copper
"battery": 2*AAA (two 7th battery, better performance, alkaline batteries)
"surface treatment/colors": metallic paint shell
"service life": a continuous output, life of >5000 hours of continuous use
"output": 405nm/± 5nm
"power output": 50mW
( Can set business 1mW~1000mW products, power more big, range more far, green light more bright, green light track line more rough, price on will more high)
"range": 1000-10000 meters
"spot shape/diameter": round light class line
"circuit control": APC line
"work voltage": DC=3.0V
"work current": I<280mA
"work temperature": + 15 ℃ ~+35 ℃
"Temperature": + 10 ¡æ ~+40 ¡æ

Hint : the same look and feel of the pen, there are three kinds of lights available. respectively forredlight indication,the greenlight indicator,blue-violet lightinstructions. displaya single indicator.

光的亮度上：绿光>红光>Violet(dark green and red light beams can be seen ... don't see of blue-violet light)

光的稳定性： 绿光<红光＝蓝紫光 （绿光受气候影响较大，较冷的环境下使用，需要预热） Glow effect