Wireless diffuser to use it however you like, either wireless or plugged in, in anywhere in your home or in covered terrace. Battery version. 3 light intensities. Diffusion alternately 15 seconds and continuously non-stop (≈4-5h full battery or ≈13h mains supply). Size 20.5 cm x 13.5 cm. Please read the instructions for use carefully before starting the diffuser.