[Product Information]

• Dazzle and Brilliant Bicycle Light. Very easy to install on your bike. Perfect gifts for your kids. Operated by 2 AA batteries (Not Include).
• 4 Button Controls: Four buttons control 4 tone of police whistle. When press button bike light emitts a 6 Red and Blue LED Light with the effect of flicker and the police whistle.
• Note: There is a control key at the bottom of total control box, when it's "ON"position, light brights all the time. When "OFF" position, light only brights when pressing the one of 4 buttons.
• Practical, Reliable, and Durable. Simple to install - Mount this bike rear light anywhere you want in seconds, such as the handlebar, the seat post or anywhere on the frame.
• Can be used for a wide range of activities: road biking, city commuting, hybrid bikes, kids bikes. Keep your kid from danger by warning or noticing others.