6Ah Battery (18V ONE+ Compatible) feat-wireless-remote Never sound the horn indoors

Never sound the horn indoors or in close proximity to people or animals

Four Metal Trumpets — Tuned quad-horn array for maximum volume and tonal depth

Setup Required: None — attach your battery and blast

Seriously Loud – Output far exceeds typical factory-installed vehicle horns

Celebrations

6Ah Battery (18V ONE+ Compatible) feat-wireless-remote Never sound the horn indoors6Ah Battery 18V ONE+ Compatible Train Horn Drill Accessory Keep your train horn kit running strong with this 6Ah 18V ONE+ compatible battery from Train Horn Drill. Designed for riders, truckers, and enthusiasts who demand reliable power on the road, this high capacity battery slides right into your existing ONE+ compatible setup so you can focus on the fun not the charging schedule. Our train horn drill kits are built to deliver serious sound, and