Accolmile Bike Horn with Remote Control Waterproof Rechargeable Bicycle Bell with USB Port Bike Bell Alarm by Amazon.co.uk

• Multi-Function: Compatible with bicycles, e-bikes, motorcycles and scooters, this doorbell can effectively prevent theft. It is not only rechargeable by the USB port, but also controlled by the remote control. It can also display low battery status.

• Adjustable sensitivity: Depending on your needs, this doorbell has 3 levels of sensitivity to adjust.

• 126DB super loud sound: It can attract attention by the loud sound. This 126db sound helps deter thieves and locate the bike.

• High Quality: The shell and bracket are made of stainless steel and aluminum alloy.

• Easy installation and resistance to splashing water: It is mounted with two screws whose limits are from 15mm to 55mm.