Multi-Tone Electronic Horn signal (MT4)offers a choice of eight (8) nationally and internationally recognized alerting sounds: Horn, Bell, March Time Horn, Code-3 Tone, Code-3 Horn, Slow Whoop, Siren or Hi/Lo Tone, Code-3 horn and tone patterns are engineered to comply with NFPA/ANSI Temporal Pattern specifications without requiring additional coding means, MT4 has two user selected sound output levels: STANDARD dBA and HIGH dBA, input terminals for wiring, UL Listed, 100-89 dB@10' Tone Dependant and Hi versus Low volume level, MT4 Signals have IN and OUT wiring terminations that accept two #12 to #18 American Wire Gauge (AWG) wires at each terminal, FEATURES: Mounts on standard 4" electrical box (not included), Low current draw to reduce power consumption .038-.050A.Indoor use (Outdoor use requires the use of the optional Model WBB-S or WBB-R Red weather proof box. Weather proof boxes have surface mount tabs, and the WBB-R Red has 2 of a 1/2" threaded pipe opening 180 degrees apart which can accommodate pass through wiring needs, or be used to mount a visual signal for instance above the MT4 horn. (see our visual signals for options, or contact us for assistance with selection).

This horn is an attention getter!  A great value with selectable tone and volume selection (high/low).

• Voltage available: 110 VAC, also a model for 12/24 Vdc--(select above when ordering) 
• Operating Current: .05A
• Temperature Range: Not Available
• Listings: U.L.
• Mounting: mount on standard 4" electrical box, optional weather proof boxes above, or may also be panel mounted if desired.
• Indoor Use (Outdoor Use requires use of Model WBB-S)
• Audible Output: 100-89 dB @ 10' Tone and Volume Dependant