Trafalgar EcoBlast Rechargeable Air Horn 115 dBDescriptionSpecificationsShipping Warn of emergency situations by using this economical and environmentally friendly Rechargeable Air Horn With a powerful siren emitting upto 115 dB of sound, you are sure to be heard The Air Horn can be stored anywhere and can be used in all weather and temperature extremes To recharge, simply refill using the hand pump (included) Provides approx 30 blasts per charge Constructed of the ABS horn and aluminium canister