FNIRSI GC-01 [IMPORTANT PRODUCT UPDATE] ☢️
19:59
The Perfect Cheap Geiger Counter?
32:16
Which Geiger Counter Could Save Your Life From Radiation Exposure?
14:15
Как работает счетчик Гейгера (на примере Fnirsi GC-01)
42:51
The Ultimate Radiation Detector?
7:49
Radiacode 102 vs. GQ GMC-500+ Against Uranium Ore!
14:26
Mystery RADIOACTIVE Source | Can we identify it?
8:35
FNIRSI Firmware Upgrade Review
5:37