features:<br />special design・ so that he can be installed almost anywhere・ more concise handlebar<br />allow you ride easily at nights or during rainy <br />great for outdoor activities<br />use 6 led lights・ small power consumption・ high brightness・ light stability<br />save electricity・ use 2 cr2032 button batteries<br />can adjust the lamp to 360 degrees of freedom<br />it is waterproof<br /><br />specification:<br />led: 6 led white light<br />led lifespan: 100・000 hours<br />adjustment range: 360+135+360 degree(3-axis adjustment)<br />fit for: 99% of all types of bicycle<br />power supply: 2 x cr2032 battery (inside)<br />switch: switch to the tail button type<br />waterproof : yes ( cannot be put into water )<br />mode: full・ flashing・ off<br />material: aluminum alloy<br />color: yellow/ red/ blue/ black<br />quantity: 1 pc<br /> <br />tip・you can install it on seat post / handle bar / seat stay which diameter is about 1.6cm-5cm・ it is very cool<br /><br />package contents:<br />1x safety warning headlight (with batteries)