The LPA 8063801 is a low pressure warning system and is designed to sense a drop in pressure due to air compressure dailure or some other failure that could cause a loss in pressure such as an air line rupture, closed valve, etc. The alarm will activate once the pressure drops below a user pre-set level (30-300 psi range). LPA 8063801 low pressure alarm comes complete with remote visible and audible alarm.