Guides
2 articles
Aug 01, 2026// COMPARISON
Train Horn as a Personal Safety Alarm: Louder Than Any Keychain Device
Keychain personal alarms top out at 130 dB. A battery-powered train horn starts at 150 dB — about 100 times the sound energy —...
Jul 10, 2026// BATTERY TRAIN HORN
Train Horn as an Aggressive-Dog Deterrent: A Real Option for Walkers, Runners, and Cyclists
Loose, aggressive dogs are the one hazard walkers, runners, and cyclists can't outrun. Here's why a 130–150 dB battery-powered train horn breaks a dog's...