Features:
This test pen does not require a ground wire or clip, and can be safely connected to electronic control modules, sensitive components, sensors, airbags, etc.
Designed for detecting faults in low tension circuits of traffic or transport machinery.
It is suitable for maintenance on automobile, motorcycle, bulldozer, road roller, excavator etc.
Made of premium quality PC material, which has good performance and strong durability.
Built-in battery installation, no need to connect power, which is convenient to use.
The innovative design with long life LED light-emitting diode.

Specifications:
Type: DY15 Circuit Pen Tester
Color: Green
Voltage: 3-28V
Batteries: 2*LR44 batteries required. (included)
Package Weight: 50g/1.76oz
Package Size: 23.5*6*3cm/9.25*2.36*1.18inch

NOTICE:
Use only in power circuits with DC 3-28V. Do not use on AC circuits or wall sockets.

Operation Steps:
1. When using, hold the metal piece on the circuit pen tester with one hand, and hold the grounding stud of the car with the other hand.
2. Insert the circuit pen tester into a connector or wire (if necessary, insert into the insulator of the wire).
3. The circuit pen tester will light and beep when a positive voltage is detected.

Package list:
1 * Circuit Pen Tester