Bullet Points: 1,12 lumens yellow light, forty five decibels of sound Squeeze the duck, it can make a sound, there are always-on and flashing 2 styles of lighting fixtures modes 2,Beautiful helmet for adornment Featuring propeller design, removable bottom, replaceable button battery 3,Stretchable silicone straps for simple installation, DIY styling, can be utilized on bicycles, and electric scooters, helmets and kid's bicycles 4,It is suitable for a variety of functions in a wide range of occasions, can be used on the bicycle for the decorative impact or as office relaxation decompression toys 5,Safe and durable, small and cute, easy to carry, clean to store in your pocket and bag, it's a good gift for peers and youngsters Features: 12 lumens yellow light, forty five decibels of sound Squeeze the duck, it'll make a sound, there are always-on and flashing 2 sorts of lighting fixtures modes Beautiful helmet for decoration Featuring propeller design, removable bottom, replaceable button battery Stretchable silicone straps for straightforward installation, DIY styling, can be utilized on bicycles, and electric scooters, helmets and kid's bicycles It is acceptable for quite a lot of purposes in quite a lot of occasions, can be used on the bicycle for the ornamental effect or as workplace rest decompression toys Safe and durable, small and cute, clean to carry, smooth to store in your pocket and bag, it is a nice gift for peers and youngsters Description: Name: Bell warning light Material: plastic / resin, rubber Size about: 5CM wide, 10CM excessive Battery: 2 x 2032 button battery Light: yellow Mode: Always on / flashing Features: can be used as warning lights, can be used as speakers Suitable for the handlebar circumference: 7-13CM, appropriate for many handlebars Application: children's bicycles, strollers, mountain bikes, bicycles, helmets, and so on Can even be used for domestic decoration Packing list: 1* small yellow duck 1* helmet 2* battery