This item is a kit and DOES NOT INCLUDE THE AMMO BOX AND HORN.


For sale is a DIY Mobile Horn Kit compatible with CrewTimer V2 and higher bluetooth clickers.  


Note: I build these in batches so your handling time varies from 1 day to 30 days.  If you are in a rush, contact me directly to determine shipping times.



Included in the kit is

To complete assembly of the horn with ammo box pictured, the following additional items are required:

  • Harbor Freight model 63135 0.30 cal Ammo box ($6.99)
  • 12V Car Horn - recommended model is Amazon banhao Motorcycle Horn item B0B5GY5P58 ($12.52 for two)
  • 12V 5AH SLA Battery "1250" or equivalent
See the CrewTimer store on the CrewTimer website for more details as well as the assembly manual.