A fully working Geiger Counter. Will come with USB cable. Verified as working with a number of test sources
eBay
Mini Digital LCD Electronic Finger Ring Hand Tally Counter 9 Digit Prayer Rechargeable Counters Clicker
Aliexpress UK
HIGH EFFICIENCY: Adopting M4011 J321 Geiger counter tube, the tube wall is sprayed with tin oxide as the cathode, with high sensitivity, for ARM processor, fast operation speed. Feature: 1. CLEAR SCREEN: The nuclear radiation detector adopts organic light emitting diode screen with a 128x64 resolution, which is clear and intuitive, ensuring accurate reading.
eBay
SXH5136 Mini Finger Counter LCD Electric Digital Display with Light Tally Counter Stitch Marker Sewing for Tracker Golf Lap
Aliexpress UK
（1× Nuclear Radiation Detector, 1×USB-C Charging Cable, 1×Storage Bag, 1×User Manual. Prduct details.
eBay
XR-1 Portable Geiger Counter Nuclear Radiation Detector Personal Dosimeter Marble Tester X-Ray Radiation Dosimeter White
Aliexpress UK
1 x EMF Radiation Tester. 📡 3-in-1 Electromagnetic Radiation Tester | Electric & Magnetic Field + Temperature 📡. ✅Audible & Visual Alarms – Alerts you when radiation levels exceed safe limits 🔔. Electric Field: 1–1999 V/m (Alarm at 40 V/m, ±1 V/m accuracy).
eBay
Jd-3001 Geiger Counter Nuclear Radiation Detector Electromagnetic Radiation Detector Electromagnetic Wave Measurement
Aliexpress UK
The electromagnetic radiation tester successfully tests the compatibility of electric field radiation and magnetic field radiation, and achieves the best test results. 3,Data hold and clear LCD display, one-key can lock the radiation value and easily read the value.
eBay
The electromagnetic radiation tester successfully tests the compatibility of electric field radiation and magnetic field radiation, and achieves the best test results. 3, Data hold and clear LCD display, one-key can lock the radiation value and easily read the value.
eBay
Seldom used fully working. It has a changeable lithium rechargeable battery inside usb charging.
eBay
It is used to test and learn electromagnetic radiation situation indoor and outdoor. 1 Electromagnetic Radiation Detector. Data locking, one-key lock of the radiation value. Alarm Threshold: Electric: 40V/m; Magnetic: 0.4μT.
eBay