タイトルまたは説明

Features: 1) LED lighting source: LED light source offers more bright light with less energy. The longevity of the LED system is over *0,**0 hours and not need to change the lighting source in the using life 2) Double light source design: there is main light source and secondary light source and the secondary light source can complement the light source when main source is damaged or beyond the scheduled time 3) Security: the special electrode material which solves the problem of inflammation and explosiveness provides security when people work in the serious conditions like coal mine 4) Longer life: the average longevity of the lamp is 2 - 3 years 5) Light weight and small volume design with waterproof character