A case contains 50 units; each unit measures 28*44*48cm

Features:
Wide application range: Circuit tester can be used for testing conductivity, testing voltage polarity, checking lights, checking motors, tracking and locating short circuits, and testing poor ground contact, etc.
Long Test Line: The cable length is approximately 16 feet, allowing you to easily test any electrical system.
Short-circuit protection: The unit has a short-circuit protection function that can immediately detect poor grounding contacts.
Simple operation: After simply connecting the device to the vehicle's battery, automotive technicians can conduct the flow of positive and negative currents to the tip by rocking the power switch forward or backward.
Comprehensive 6-24V DC Test Kit: Do not use under AC voltage.

Operating Instructions:
Unfold the cable of this machine
Clip the red clip on the positive terminal of the vehicle battery.
Clip the black clip to the negative (-) terminal of the vehicle battery.

Specification:
Color: Red
Working Voltage: 6-24V DC
Cable length: 16ft
Overload protection: 8A (when the current exceeds 8A, this will automatically cut off the current.)
Packing Size: 26.5 * 9 * 4cm
Packing weight: 320g

Packing List:
1 * Circuit Tester