• 120 decibels high volume horn has 4 different sound effects
• The bright bicycle light improves the safety of cycling at night
• With 5 light modes, easy to switch
• IPX4 waterproof grade, no fear of harsh environment
• Built-in 400mAh battery, easy to charge
• Suitable for children's bicycles

Specification: 

• Material: ABS
• Size: 4.1x9x2.2cm
• Weight: 40.3g
• Battery: 400mAh lithium battery
• Waterproof: IPX4 daily waterproof
• Horn: 4 sounds can be switched
• 5 light modes: constant light, colorful slow flash, colorful fast flash, high brightness white light, medium brightness white light