They take AA and AAA battery packs currently depending on LED color (working on USB options). Options between normal switch pack, or waterproof pack. All have Silicone covered wire and adhesive lined heat shrink.
**Batteries NOT included**
- Waterproof battery packs are a push switch and have 4 screws.
- Normal battery packs have a toggle switch and a sliding back cover.
These will act as a blacklight and make neon colors glow!