FOR USE WITH MYFRESH DISPENSER ONLY SOLD SEPARATELY, FreshFan Technology: Using a small, high-velocity fan, myfresh will distribute fragrance using 5-10 times more power than other dispensers. Dry Fragrance Technology: myfresh dry fragrance inserts release just the right amount of scent to keep your world fresh and clean without fragrance overload, nasal fatigue, and aerosol residue. Versatile Design: Crafted with style in mind, myfresh's compact design allows it to be sleek and discreet with motion activated release to keep your world clean and fresh. 100% Recyclable: As part of Fresh Product's Eco-Refresh Program, myfresh refills are 100% recyclable. Technical Specifications: 3/4"L x 2 1/4" W x 1 7/8" H. Weight: 15 grams. Battery included with each refill Myfresh dispenser sold separately - dispenser needed to utilize the refills