Safe-T-Alert FX-4 Carbon Monoxide Alarm Health Items -Includes 12 of the most

-Includes 12 of the most used shellholders

Hi gain omni directional microphone

Its removable metal belt clips can be moved up or down in the corresponding holes in the leather

It also has a center hole for hanging

Safe-T-Alert FX-4 Carbon Monoxide Alarm Health Items -Includes 12 of the mostFX 4 Carbon Monoxide Alarm Marine Use Low Voltage Hard Wired Alarm. Replaces your CO alarms that are over 5 years old. No Bags. No Tags. Full 5 Year service life, longer than CO Sentinel CMD 4M alarms. CMD 4M and CMD 3M that have reached end of life. Features: Conforms To ANSI UL STD 2034 Marine Meets ABYC A 24. NMMA Listed Component Most Reliable Boats DC electrical system or marine grade batteries supply power to the alarm No missing or dead