DescriptionHigh quality light bulbs. Bright enough to remind the trucking, bus, car and van drivers make riders safer. Easy to install, suitable for many models diameter handlebar. Split button switch can be mounted at any position with the handlebar, easily accessible, when the brakes are operational.Feature- Color: Red. - Material: ABS. - Size: 10 x 2.7 x 1.8 cm. - Mode: 6 modes - Switch: Press button. - Battery: Li-polymer, 500mAH 3.7V, rechargeable, unreplaceable. - Charging: USB port, about 2 hrs to full charge; input 5V 1A Max. - Burning: Up to 6hrs consecutive use. - Indication: Independent indication light for work or charging. - Ingress protection: Rain water proof. Do not use in water. - Super bright LED COB as light source, high illumination. - 6 modes to meet different needs for cycling & power use. -Built-in Li-polymer battery, rechargeable. - Independent indication light for work or charging. - Vertical or horizontal mount to the bracket, tilting degree adjustable.