DIY Supplies : ELECTRICAL Radiation Tester, Geiger Counter Nuclear Radiation Detector With LCD Display, Ray Data Tester Marble Dosimeter (Black)High Sensitivity:wide measuring range, long duration, daily use of the nuclear radiation detector helps to avoid radiation hazards in daily life.LCD Display:The large screen makes it easy to read data and the buttons are easy to operate. Built-in lithium battery, can be powered by USB port and easy to use.Adopt G-M tube:This Nuclear Radiation Detector adopts complex GM tube as the core sensor,Support automatic data recording.The error is small, high accuracy in 0.01 USV/h, ensure an accurate measurement.High-Quality Material:The case is made of high quality ABS, which has good heat and cold resistance, high strength and fine toughness.Material:ABScolour:BlackPackage Contents:1 x Nuclear Radiation DetectorOnly the above package content, other products are not included.Note: Light shooting 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.