Profile: Lite-Check, LLC is a manufacturer lighting system testers and brake systems. Our product line includes trailer tester, 121 brake timing, remote control, 12 and 24 volt systems. Our lite-check inspector 910B is a compact and automated trailer tester. It is equipped with full air management system with dedicated electric valves for emergency and service air supplies with internal pressure regulator for service air. Our lite-check detector 902 is compact and automated trailer tester for trailer lighting and air-brake systems. It is equipped with full air management system with dedicated electric valves for emergency & service air supplies and internal pressure regulator for service air.