Small Size: The horn is stylish and compact. With built-in booster circuit, the sound is up to 100db. The 4 sound modes include drip sound, whistle sound, alarm sound, whistle horn.
Easy to Install: The horn is compatible with all kinds of handlebars, it can be installed on the handlebar in 2 seconds. The rubber ring can be adjusted in two levels, suitable for all types of bicycle installation.
IP65 Waterproof: The horn is fully sealed no fear of storms. It has three protections, it is IP 65 waterproof, can be used in harsh environments.
Can be Hidden: The horn is small like a watch. It can be hidden inner side of the handlebar, without affecting the handlebar brake shift or other bracket operations.
USB Charging: With high-quality polymer core and built-in 280mAh lithium battery, the horn features standard Android USB charging, long standby, can ring for 2000 times once fully charged.