It can be used to measure the maximum value and average value of the electric field and magnetic field. It can also be used to detect and display real-time indoor temperature and humidity. 
Large Color Display: With a large, clear-definition color screen and large, colorful font design, it can easily cope with dim and bright environments to give you a more comfortable experience. 
Graphical Radiation Level Grading Function: Equipped with the current radiation level grading function, 3 different colors correspond to different current radiation levels, allowing for a more accurate and graphical understanding of the current environment. 
Multi-functional Design: With unit switch, data-hold, low power prompt, automatic shutoff.
Wide Applications: This radiation tester can be widely used in the home, office, outdoors, industrial sites, radiological laboratories, and the surrounding environment; It is also suitable for televisions, refrigerators, and high-voltage line radiation detection monitors.

Specifications:
Material: plastics
Battery: 3 * 1.5V AAA battery (not included)
Measuring method: electromagnetic induction
Display: VA display
Maximum display: 9999
Sampling rate: approx. 0.4 seconds
Measurement ranges: V/m: 0-9999/uT:0-74/mG: 0-740
Resolution: V/m: 1/uT: 0.01/mg: 0.1
Bandwidth: 5-3500ΜΗΖ
Auto shut-off: approx. 10 minutes
Operating current: approx. 20mA
Temperature ranges: -10-60°C
Operating temperature and humidity: 0-60°C/0-85%RH
Storage temperature and humidity: -10-60°C/0-80%RH
Item size: 170 * 73 * 33mm / 6.69 * 2.87 * 1.30in
Item weight: 160g / 5.64ounce
Package size: 190 * 90 * 45mm / 7.48 * 3.54 * 1.77in
Package weight: 185g / 6.53ounce

Packing List:
1 * Radiation Detector
1 * Screwdriver
1 * StorageBag
1 * Guideline