Bright Led, power saving, long service lifeLimitless uses of these lights, let your thoughts go wild Add a factor to any Wedding, Engagement party, , Camping, Barbeque and any other use that you can use your imagination for battery: 2pcs LR41(included) standy time: more than 24 hoursLight up your special occasion with these fantastic, easy to use LED lights, which will bring a great ambianceall of their own to your special occasion.Not only used for parties, but for many other uses such as lighting you plant pots or you can even use them as an emergency torch. Limitless uses of these lights, let your thoughts go wild (Dont forget to turn it on before blowing the balloon up ) Multi-color is blinking,Single color lights just Constant On, No blinking Light colour: BlueMaterial: ABSSize: about 1.7cm DiametePackage Contents: 100*Balloon LightsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.