คุณลักษณะ

• Usage: (1) Insert a clip into one of the circuits you want to examine.　② Contact the other side with the lead rod.　When the light bulb is lit, there is conduction.　If the light bulb does not light, the circuit is open.
• CAUTION: This product cannot be used in energized circuits, but contact with a 12 V power supply will not burn the LED bulb.　Do not use while the engine is running.　Do not use on live wires.　Do not use it for sensor fields on your computer.
• The light source is an LED sphere with a long life.