Are you looking forward a bike handlebar horn to protect your bike? This product is your perfct choice, it is not only a horn, but also a smart burglar alarm to help you to scare off thieves. Don't hesitate, just come and buy!

Features:
Both a horn and a smart burglar alarm, it helps you to scare off thieves.
Built-in 250mAh polymer rechargeable battery, it can work for 2.5 to 15 hours.
Equipped with standard USB charging, and fully charged in 1.2 hours.
The 130db high volume ringtone, to protect and support your riding._
12 high-bright LED lights on both sides, intelligent steering design, reminding passers-by.
360-degree rotatable bracket, flexible and easy to disassemble.
IPX4 waterproof design is against the heavy rain.

Specifications:
Material: ABS, PA66, PMMA
Color: blue, green, red (optional)
Battery: 1 * built-in 250mAh polymer rechargeable battery
Power supply: USB
Luminous flux: 20LM
Working time: 2.5-15 hours
Charging time: 1 hour
Item size: 133 * 39 * 30 mm / 5.24 * 1.54 * 1.18 in
Package size: 150 * 45 * 40 mm / 5.91 * 1.77 * 1.57 in
Package weight: 175 g / 6.17 ounce

Package list:
1 * Bike light
1 * USB cable