The 1st Light detects a Normal EMF field, what is always around us.The range is between 0 to 1.5 mG. The 2nd Light (GREEN) detects a Low Level EMF,which range is between 1.5 to 2.5 mG. The 3rd Light (YELLOW) detects a Mid Level EMF in the range between 2.5 to 10 mG.
eBay
Tuya Zigbee Door Sensor Smart Home Security Window Detector Automatic Sliding Door Magnetic Contact Sensor Support Alexa Google
Aliexpress UK
The electromagnetic radiation tester successfully tests the compatibility of electric field radiation and magnetic field radiation, and achieves the best test results. Data hold and clear LCD display, one-key can lock the radiation value and easily read the value.
eBay
Tuya Zigbee Door Sensor Smart Home Security Window Detector Automatic Sliding Door Magnetic Contact Sensor Alexa Google
Aliexpress UK
This is an EMF detector, it uses the electrodes of the Photocell as the indoor aerial to detect alternating currents. The circuit uses the decade counter IC 4017. The circuit should respond to any alternating signal.
eBay
5PCS/Lot Home Security Alarm Wired Window Magnetic Door Contact Sensor Detector Switch NC
Aliexpress UK
Explore the mysteries of the paranormal with our LED EMF Meter, a sophisticated tool designed for ghost hunting and detecting subtle magnetic fields. Its sleek black ABS construction is not only stylish but also durable, making it a reliable companion for your paranormal investigations. The device is equipped to measure Gauss levels, keeping you aware of radiation levels and promoting a healthy environment. Its intuitive design and features cater to both enthusiasts and professionals alike, ensuring a comprehensive approach to EMF detection. A must-have for your paranormal equipment arsenal, available now in the UK.
eBay
Magnetic Field Viewer Pattern Display Membrane Magnetic Card Detector Magnetic Field Observer Pattern Display Film Instrument
Aliexpress UK
1 x EMF Magnetic Field Detector. Size: 14.3cm x 5.2cm x 2.5cm (L W H). Detection Range: 0 to 20+ milliGauss.
eBay
Aqara Light Sensor T1 Brightness Sensors Zigbee 3.0 Smart Home Light Detector Magnetic APP Control With Aqara Home Homek APP
Aliexpress UK
It is used to test and learn electromagnetic radiation situation indoor and outdoor. 1 Electromagnetic Radiation Detector. Alarm Threshold: 40mG, 0.4μT. Unit: mG / μT (Magnetic Field). Resolution: 1mG, 0.1μT.
eBay
KERUI D025 Wireless Magnetic Door Sensor Detectors 433Mhz Door Alarm For Home Alarm System Door Sensor Alarme De Porte
Aliexpress UK
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
Aqara Light Sensor T1 Zigbee 3.0 Brightness Sensor Smart home Light Detector Magnetic APP Control By Aqara Home Homekit APP
Aliexpress UK
The 1st Light detects a Normal EMF field, what is always around us.The range is between 0 to 1.5 mG. The 2nd Light (GREEN) detects a Low Level EMF,which range is between 1.5 to 2.5 mG. The 3rd Light (YELLOW) detects a Mid Level EMF in the range between 2.5 to 10 mG.
eBay
Magnetic Field Viewer Viewing Film Card Magnet Detector Pattern Display Membrane Magnetic Card Detector
Aliexpress UK