USB rechargeable, it charges from your computer or any device with a USB port.
120db high-decibel speaker safety warning, 2 sounds.
Easy to install&detach, tool-free operation.
Built-in rechargeable 1200mAh battery for long-lasting batterys life.
3 light modes, strong/weak/strobe mode for different occasions.
Highly dust- & water resistant design, can be used on rainy days.
Color: pink, blue, orange, green, red, black(optional)
Charge mode: USB charge
Electronic horn: 120db
Light mode: 3 modes
Package size: 105*75*55mm/4.13*2.95*2.17in
Package weight: 80g/2.82oz