Specification: 8CM * 4.5M * 4.5CM

A red and blue double-flash high-brightness LED light that can change its light.

Electronics: Includes three AG-3 batteries (replaceable), ready to use after purchase.We sell electronic products for emergency use. Buyers can purchase some electronics for emergencies.The party decorations, performances. The performance can be used, is a very practical decoration props

Note: This whistle is primarily designed for lighting and appearance, suitable for children and performance use. The sound is not loud or sharp. Please be aware!!