Onedayshop Super Loud Bike Bicycle Police Car 6 LED Light 4 Sounds Trumpet Cycling Horn Bell Siren

Specifications:  1. Material: Quality ABS Plastic+Electronic components  2. LED Color: RED   3. Powered: AA Batteries x 2 (Not included)  4. Size: about 13 x 7.5x 3.5cm  5. Cable length: 26cm  6. 4 Loud Siren Sound  7. 6 red blue led light with bike Sirens  8. Super Loud Siren to draw people's attention on street  9. Keep your kids from danger by warning or noticing others  10. A switch controls the flash modes give the effect of flicker  11. Easy to be fixed on the bicycle  12.  loop fits the pipe with internal diameter 28-30mm  Caution:  If you think the sound is too loud, you could put some tape over the speaker  Package includes:  * 1x Bicycle siren  Our products have been tested, if any problem, please contact us at the first time so that we can supply the best service for you.