The sabre red home unit (pfhm-80)is formulated as a red pepper foam to avoid cross contamination and promote easy clean up when used indoors.The wall mount clip included in the package of all home units is an easy way to mount protection within indoor locations.Type: Pepper FoamSize: 4.87" H x 1.375" WWeight: 2.50 ozRange: 8-12 ftRepels: AttackerActive Ingredient: OC PepperHazair: Yes