Guee COB-X USB Light Combo (Front and Rear) Tool free fitting, built-in rechargable battery and, 1.8hr quick charge through micro USB, the COB-X Light is convenient, economical and a top performer. Under strobe mode it could last for up to 15 hours per charge! • Super Bright 'COB' L.E.D provides ultimate visibility • 1.8 hour quick charge - ideal for riders in a rush! • Micro USB Rechargeable Li-Poly battery • Battery power indicator • Multi-fit, tool-free fitting • 160 degree wide visility • Tool Free Mounting Bracket range at Φ 22.2mm-33mm Specification Batteries Total Usage (approx):9hrs (strobe) | 15hrs (flash) | 4.5hrs(constant) Charging time 1.8hrs Light Mode Strobe | Flash | Constant Size Tool Free Mounting Bracket range at Φ 22.2mm-33mm Technology Power Indicator Yes Packaging include Batteries Integrated 3.7V Li-Poly USB rechargeable battery Free pos w.m. Sabah sarawak add Rm10. Made in Taiwan. More details pls see picture. My shop at teluk intan,Pekan baru.beside pasar. If my phone switch off,pls email me.maybe I oversea,thx. Email:edwind38001@hotmail.com Tel:012-572 9321