Products: Fashion mini laserMaterial: plastic + electronic componentshis little laser beam tail light will ensure your safety while riding in the darkness. It has 5 LEDs and 2 laser bulbs. The LED and the laser work independentlyThis safety light can be mounted on 20-36mm seat post. The length and position of the laser beam varies with the angle you mount the lampFeatures:7 kinds of flash mode: Always bright、 flash、 slow flash、 left to right、 right to left and left to right slow flash、 flash、 flash back and forth2 laser lights remind someone else of keeping distance、 add safety?¡êThis little laser beam tail light will ensure your safety while riding in the darkness.Note : Do not look directly at laser lightsWaterproof、 safer in water fog when riding in the rainUse for jogging、 walking、 bicycles、 car emergency、 horse¡§Criding、 road emergency & camping、 ETC.Working time: About 9hoursSpecifications:Working: 9-36 hours depends on the batteriesPower: 2 x AAA batteries (not included)Material: ABS、 Acrylic & NylonFor 20-36mm tubeInput Power: 1mWWARNING: LASER RADIATION AVOID DIRECT EYE EXPOSURE! KEEP OUT REACH OF CHILDREN!