Rockbros 15-1BG retro bicycle bell - gold ScrewdriversNRE-WKR A number of convenient buttons

A number of convenient buttons allow you to easily open or close the door

Sonoff SPM-4Relay smart switch

Child lock function prevents accidental operation by children

This means you can wear them for extended periods without discomfort

Rockbros 15-1BG retro bicycle bell - gold ScrewdriversNRE-WKR A number of convenient buttonsRockbros 15 1BG retro bicycle bell gold The Rockbros 15 1BBK Bicycle Bell generates sound with an intensity of up to 75 dB. The original design makes it a bell for lovers of classic style. Compatible sizes and low weight save space on the handlebar. The most important advantages of the Rockbros 15 1BG bicycle bell: It has a charming retro design . It is not only a useful gadget, but also a decoration for every bicycle. Fits almost every bike . It has