These lights are the easy way to add lights to handmade cards or scrapbook pages. One Light Features: -Each unit with one warm white LED, batteries NOT included! -Each unit already has the light attached; no circuit building is required! -These can be used anywhere you want just one point of light. -Self-adhesive, easy to adhere in place. Halo Light Features: -Halo Lights are round light-up units with five warm white LEDs each. Batteries NOT included! -The lights point in toward each other, making them perfect for shaker cards, or creating windows with a ring of lights! -These are designed to light up any 2″ circle area. -Self-adhesive, easy to adhere in place. Features of Easy Light with 3 LEDs: -Each unit has three lights built in. -If you only want one or two, the extras can be cut off. (*Tip: wrap a piece of tape around cut ends so they don't accidentally touch and create a short circuit.) -The units have lights already attached with 7" wires; no circuit building is required! -The wires can be curled up and taped down on crafts. (*Tip: avoid creasing sharp folds in the wires, as it may cause breakage and failure.) -Self-adhesive, easy to adhere in place. To Use: -Adhere the battery/switch in place -Glue or tape the LEDs in place -Cover with decorative elements, mark “push” over the button so the recipient knows how to turn the lights on ***NOTE: Batteries are NOT included! You need to prepare a CR2016 coin cell battery by yourself!