Features:
* Brand new and high quality
* Made of high quality materials, sturdy and
* This nuclear radiation can detect X-rays, γ-rays, and β-rays and can detect the radioactive dose of marble, overseas products, iodine 131, and various unknown minerals used for decoration. This is a simple to assemble DIY Geiger counter. If you are interested in this product, give it a try, you won't be disappointed.
* Two ways: This nuclear radiation has sound and indication functions, the results will remind you.
* Multifunctional tool: with functions such as actual dose rate, average dose rate, cumulative dose rate, graph, etc.
* OLED display: Using a small OLED screen, the measurement results are clearly displayed, and you can see the data more clearly.
* Using AR M processor, it has fast computing speed and powerful processing functions.
* Wide application: This nuclear radiation can detect X-rays, γ-rays, and β-X-rays and can detect the radioactive dose of marble, overseas products, iodine 131, and various unknown minerals used for decoration.

Specification:
Material: printed circuit board
Geiger tube: j321 (compatible with M4011)
Screen resolution: 128*64
Microcontroller: AR M
Display accuracy: 0.001usv/h
Detection display range: 0-9999usv/h
Power supply: USB, 5V, & 500mA
Product weight: 91 g/3.2 oz
Package size: 120*90*20mm/4.7*3.5*0.8in
Packaging weight: 148g/5.2oz

J321 pipe specifications:
Diameter: Φ10±0.5mm
Total length: 90±2mm
Starting voltage: <350V
Recommended working voltage: 380V
Minimum Ping Length: 80V
Maximum Ping Slope: 10% / 80V
Working voltage: 550V
Maximum background count rate: 25 times/minute
Service: >1×109 pulses
Test: X βγ Radial

Notes:
Test the cover tube close to the radiation target.
Do not touch the component area when power is on to avoid electric shock. Please keep your hands in the holding area.

Package Included:
1 x Nuclear Radiation Tester
1 x USB cable

Note:
1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
2.Please allow slight manual measurement deviation for the data.

We accept payment via Paypal only.

Payment must be completed within 5 days. If you have any problems about payment, please contact us via ebay message.

We only ship to confirmed Paypal addresses. Please comfirm that your paypal address is in line with your shipping address.

Please kindly note that the combined shipping is not provided because the shipping fee is calculated by weight. Also, the each additional item means exactly the the same color and size. 

It takes about 7-15 working days to UK; about 10-30 working days to other countries. Transit time may be a little delayed because of the bad weather and customs inspection. If you do not receive your item within 30 working days since payment finished, please contact us immediately for further assistance.

We strive for 100% customer satisfaction! Positive Feedback is very important to us. If you have any questions, please feel free to contact us via "Ask seller a question" . We will reply your email within 24 working hours.