I use this as a quick counter-surveillance sweep tool when I’m vetting meeting locations or checking hotel rooms before a sensitive conversation. It helps me reduce the risk of hidden cameras/bugs and gives me a cheap, low-regret option I can travel with and replace if it gets compromised.

Get it here: https://amzn.to/3RwynC9

Disclaimer: The information on this page may possibly reflect personal experience and is for general informational purposes only. It is not professional security, medical, or legal advice. Always follow manufacturer instructions, get training where appropriate, and comply with all local laws and regulations. Use of any equipment is at your own risk.