The first picture is a product picture, the other pictures are sample displays Description: About charging： It is recommended to use the No. 7 900mA rechargeable Ni-MH battery, which can work continuously for 9 hours when the function is fully turned on. The No. 7 battery can be easily replaced anytime and anywhere, which is safe and energy-saving Features: 1. Double linear laser, high-bright LED lamp head: mark out your exclusive lane, double rows of bright red laser lines to escort you, safe upgrades, and cool doubled. 2. The buckle adopts an adjustable lock ring: tough and thin, adjustable buckle, elastic and impact resistant, suitable for pipe diameter (20-36MM) 3. Seven modes of bright red LED, waterproof membrane switch, sustainable 9-36 hours of use 4. IPX2 level waterproof: in line with IPX-II level waterproof standard, 15 degrees of raindrop waterproof Tips： The laser safety taillight adopts the international safety standard Class IIIA, and it is not suitable to direct eyes. Product parameters： Lumens: 100LM Lamp bead model: LED Number of lamp beads: 5 Battery capacity: 2 AAA batteries Mode: 7 modes, including long light, burst flash, slow flash, round flash, single light, fast flash, double light Life time: 9 hours Lighting distance: 5M Waterproof rating: IPX2 Material: ABS Installation method: buckle Product weight: 62.5G Product size: 80*70*35MM Package Included: 1*taillight