Wheelock ELMTSW-NA Eluxa Multitone Strobe HornProviding eight (8) alerting sounds in a single device, the Wheelock Eluxa multitone horns and horn strobes will meet most of your signaling needs. The nationally and internationally recognized alerting sounds include Horn, Bell, March Time Horn, Code 3 Tone, Code 3 Horn, Slow Whoop, Siren, or Hi Lo Tone. The Code 3 horn and tone patterns are engineered to comply with NFPA ANSI Temporal Pattern specifications without requiring additional equipment.