![](https://img.alicdn.com/imgextra/i4/928878841/T2H4vRXkXaXXXXXXXX_!!928878841.jpg)
Bicycle safety taillights, there are 5 ultra -bright LED inside
【size】6.5cm wide 4.5cm thickness 3.5cm is suitable for seat tubes within 2.5cm in diameter
Power supply: battery No. 5*2;
7 flash mode, fast -disassembly design, waterproof and shockproof
Press: 5 lights are bright
Press two times: 5 lights flash
Press three times: 5 light jump flash
Press four times: 5 lights flash from left to right
Press five times: 5 lights flash from right to left
Press six times: 5 lights flash from left to right
Press seven times: 5 lights flash back from left to right
Press eight: Close
Weight: 0.1kg