Come and see our amazing products. It is a perfect light when you Walking the dog, Cruise, Darkness setting, Evening party activity and other outside sport at night, you can use it to alert the security through the shine. You also can use it for hold your any ID Card and keychain. Whenever day or night can be used. Perfect for party, ID badge holder, Keychain Holder, electronic passes, and USB drives tradeshows, conventions, concerts & more. Turn them on at night they will make it easy to find each other in the crowd. Pls confirm with us about the packing info, stock color and exact production time before placing your order.