Features: Portable Size: This handheld electromagnetic radiation detector is portable in size and easy to carry, so you can put it in your bag and take it with you and easily grip it for use. Shockproof Rubber Housing: The housing is made of a High-quality materials casing that feels comfortable in the hand, is drop and wear resistant, and is impact resistant.Multiple Parameter Measurement: 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. : Battery: 3 x 1.5V AAA battery (not included) Measuring : electromagnetic induction Display: VA display Maximum display: 9999 Sampling rate: . 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: 5-3500MHZ Auto shut-off: . 10 minutes Operating current: . 20mA Temperature ranges: -10-60C Operating temperature andhumidity: 0-60C/0-85%RH Storage temperature and humidity: -10-60C/0-80%RH Material: plastic colour: Black Package Contents: 1 x Radiation Detector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.