Nations WareHouse’s inventory of Alarms ranges from indoor/outdoor alarms with features such a waterproof, and volume as loud as 86 decibel horns, with an option to test the device, and many more. Each alarm has its own personal use; however most are qualified for sump, effluent, and sewage pumps. We even carry an alarm that is able to pre-record a message and dial out to 4 separate contacts in case of an emergency.