The Model 497 is compact in size making it easily to be carried. iHorn delivers a power blast that will be heard with the simple press on the horn button. Ideal for marine, jogging, camping, sports events and anytime a powerful alerting sound is needed. iHorn is environmentally safe using 134a gas, no CFC's, 1.8 oz. Product Features:Compact Size, 1.8oz134a gasEnvironmentally safe, No CFC's
