Unique and stylish key charm shows up , good looking as key charm and also it flashes like a real buld , press the switch on the top, it will light up! the blub helps you find thing in the dark.4colour is available, but you don't know which colour the bulb emit until you light up.
so lovely and tiny fairy lamp! have a x'mas decoration lamp as keycharm.
size : 6*3cm but bulb isn't made of glass,  once it is out of battery, you can not change the battery, just dangle it as a stylish accessory