Automatic Block Heater Power Tester, Power Supply Indicator.

Know that your blocker heater or other equipment has failed when you plug it in.
Works on any electrical load by telling you that critical current is flowing through the circuit.
Every circuit requires both voltage and current to successfully deliver power, Wexstar lets you quickly determine that you have both. Green indicates voltage is present, red confirms that current is flowing.
Highly visible from several feet. Know from the comfort of your home or office that your vehicle is ready to go when you are.
Easy to use, Affordable, Portable, Durable.
Pays for itself the first time you avoid a tow call or a missed day of work. Never be stranded again. Wexstar will give you peace of mind.
Sectors: Oil / Gas / Energy refineries / Military operation facilities / Constructions Automotive / Transportation / Entertainment / Health and Safety.
Solid quality construction resists cold weather breakage.
Size and shape are built to fit conveniently in your hands.