The GG3 has a slot to the chip go over so no magnets are employed. Also, there is absolutely no need to use a multimeter to look for continuity since you have the probe wire setup on the GG3 and eco-friendly indicator led. It is the customer's accountability to grasp https://raymondvwvso.humor-blog.com/31888649/ghost-gunner-3-for-sale-an-overview