AERMOTOR EM285 Automotive Electric Circuit Tester Car Electrical System Tester 6-24V DC Drive Test Pen •Wide range applications: EM285 circuit tester can be used to test continuity,test polarity of a voltage,check lamp,check electric motor,follow and locate short circuits,test for bad ground contacts etc. •Long test lead: The cable length is about 16ft which allows you test any electrical system easily •Short-circuit protection: The unit has short-circuit protection and can test for bad ground contacts instantly •Easy operation: After a simple hook-up of the unit to the vehicle's battery,automotive technician can conduct a positive or negative battery current to the tip by rocking the power switch forward or backward •Comprehensive 6-24V DC test kit: Do not use on AC voltage •Specifications: •Type: Automobile fault diagnosis instrument •Working temperature: 58 (℃) •Working voltage: 6-24V DC •Packing size: 26.5*9*4cm •Packing weight: 320g •Overload protection: 8A (When the current exceeds 8A,this item will automatically cut off the current) •Applicable models: various models Package included: •1 x Automotive Electric Circuit Tester