Boss Series Train Horn for Ryobi® 18v Battery Color:Red Sound it by trigger in

Sound it by trigger in hand or by wireless remote from up to 160 ft

The Extreme Series is how you become that crew

Just attach any Milwaukee® M18 battery and you're ready to go

and simple enough that anyone in the family can run it

Back in town it pulls double duty — graduations

Boss Series Train Horn for Ryobi® 18v Battery Color:Red Sound it by trigger inOdds are there's a drawer in your garage with three or four Ryobi ONE+ 18V packs waiting for a job the same packs that run your drill and impact driver all week. The Boss Series gives them their most entertaining assignment yet: a cordless, battery powered handheld train horn that pushes up to 150 dB through four long metal trumpets. No installation, no mounting brackets, no wiring weekend click on a battery you already own and the whole neighborhood