Product Introduction: It can be hung on your pet's collar to facilitate night travel and keep track of your whereabouts at any time; it can also be used as a key chain. It's also a flash toy and a very convenient little thing.

Size : 5.5cm x 3.5cm. 2.5 centimeters thick

Color: Pink, blue, white, red, green, orange (yellow) (hot tip: the bigger the light effect, the better the effect. Yellow and orange are very similar)

Instructions for use : Pressing once is a continuous light source, and pressing twice is a flashing light source.