Rechargeable bicycle horn
Features: 4 sounds/adjustable volume/alarm function
Material: ABS+PC
Color: Black
Volume: 80-130dB
Battery: 250mAh li-poly
Charging input :5V-200mA
Operation: short press the button to ring the bell, then long press the button to swtich sounds
Size: 43*87*22mm
Waterproof class:IPX6
