12v Low Battery Warning Alarm. Automotive, Boat marine, machinery, etc.

Description

Don't end up with a dead battery while using a radio or inverter.  When the voltage reaches a low voltage point but still enough to start the engine an alarm will sound warning it is time to recharge.
Has on/off switch, sensitivity switch, analog dial gauge and buzzer.
Under dash mount
simple two wire +/- install anywhere on the live circuit.
New, old stock
no factory packaging
wire red positive and black negative
Only the unit is included.  Not the power supply or the demo digital voltage meter shown.
15 day Satisfaction guaranteed USA only.  Anywhere else consider this as for parts only with no return.
For International shipping I cannot guarantee delivery, only proof it was shipped.  No guarantees to any other country