100% Brand New and High Quality Item specifics Power Supply: Battery（not including） Certification: CCC Mounting Placement: Frame Model Number: Bicycle Lights Tip: suitable for bicycle with no more than 3cm in diameter Description: This 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 independently The length and position of the laser beam varies with the angle you mount the lamp Compact body type (weight 61 grams), professional design allows you to fully experience the joy of travel . Laser lights remind someone else of keeping distance, add safety! This little laser beam tail light will ensure your safety while riding in the darkness.(Note : Do not look directly at laser lights) Waterproof, safer in water fog when riding in the rain meets IPX-II grade waterproof standard, tilt 15 degrees rainｄｒｏｐs waterproof. Use for jogging, walking, bicycles, car emergency, horse-riding, road emergency & camping, ETC. we recommends using 2 pcs No. 7900mA rechargeable NiMH batteries(or 2 pcs AAA batteries), it can work 9 hours of continuous functions in the case of fully open Note: This product didn't included batteries Packege including：1Pc bicycle Flashing Lamp Light