Safer Non-Contact Voltage Probe The electricity can be measured without touching the measured object, which greatly helps your safe use, then indoor wiring and wiring detection is no longer a concern for you. Moreover, the sensitivity of NCV probe is high enough and the response of measuring electricity is very fast. NOTE: Please do not use the tester to test a bulb exists in a closed circuit, because there is no leakage of current nearby, the electric field is very weak, and then the electricity can not be detected.
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Portable Pencil Hook Design For its weight or overall design, this pen is as easy to carry as a regular pen. The design of the pencil holder enables you to carry the pen anywhere you want. You can take it away directly in your pocket after use, without occupying much space.
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Bright LED Flashlight When the circuit suddenly goes wrong at night and its dark all around, dont worry, this tester pen has a bright LED light installed on the probe. Under dark conditions, you can press and hold the "S" button for more than 2 seconds to turn on/turn off the LED Flashlight, and then you can quickly use it to look for the problems in the circuit. LED flashlight saves power and provide convenience.
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