This electronic buzzer (it doesn’t sound like a bicycle bell but more like a car alarm) works well and is easy to use. It is also easy to fit and remove from the bike. and is very compact. It is as loud as a traditional bicycle bell. Unfortunately, a lot of pedestrians on the cycle paths I use here in Milton Keynes don’t always recognise the sound as a warning and it’s not until I’m up close and sound it again that they respond and realise there’s a cyclist behind them. I have resorted to fixing a traditional bell as well. If they can’t hear both, there’s not much else I can do! I hope that if I use it often enough, it will be recognised as instantly as a normal bell.