EASY TO READ: The radiation detector can be digitally displayed and equipped with a backlight for easy reading.HIGH QUALITY MATERIAL: The Geiger counter is made of high quality ABS material, which is sturdy and to long term use.PORTABLE DESIGN: The compact Geiger counter allows you put it inside the pocket and carry it with you, simple user interface, clear, user friendly.MULTIFUNCTIONAL: Nuclear radiation detector has data viewing, saving and output functions. Meet the needs of various work scenarios.MULTI DISPLAY: The screen displays temperature and humidity conditions at the same time, providing more information at the same time.How to Use: Install two AA batteries, click the on button and follow the instructions to useItem Type: Geiger Counter Weight: . 169g/6.0ozSensitivity: 80cpm / usv / (Co60)Test Accuracy: 0.01sv / hTime Range: 099.99sv / hTime Error: Less than 10%Average Error:Less than 3%Power Supply: 2 x AA Batteries (Shipped Without Batteries)Type of Detection: and X RaysDetectable Scope of Application: Nuclear Radiation DetectionColour:WhiteMaterial:plasticPackage Contents:1 x radiation detectorOnly 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 +/ 13cm.