Color: redThis product is excellent characteristics:1. Double row bright red laser line for your escort line、 draw your exclusive driveway.2. Laser safety taillights with international safety standards Class IIIA level but not direct eyes.3.2 LED lamp is a real highlight LED lamp holder、 brightness super good.(multi mode switch)4.7 anywhere at any time convenient to replace battery.(this price does not contain batteries)5. Special strong adjustable buckle、 elastic strong impact resistance、 (20-31.8 mm in diameter of widely applicable to the seat post).6. Pass IPX2 waterproof standard、 15 degrees tilt raindrops waterproof.Should let you in constant change.7. Save electricity safety (under the maximum power can work continuously for 12 hours).Laser flash method of parallel modes: normally on、 flashing、 shut down5 led seven kinds of flash mode: normally on、 flash、 slow flash、 flash、 left to right slow slow flash right to left、 left to right flash、 flash back and forth from left to right、 shut down