Feature:1. TECHNICAL PARAMETERS: GC01 counter nuclear radiation detector, built in sensor, possess fast response time, high accuracy, gamma, beta and X ray detection. Cumulative dose equivalent 0.00uSv500.0mSv. Energy range 48KeV1.5MeV 30 percent (for 137CS)2. REAL TIME MONITORING: Nuclear radiation detector has powerful functions, multi function page real time detection, LCD display, interface data at a glance3. HIGH SENSITIVITY: The nuclear radiation detector use high tech tubes, which greatly improve the sensitivity of the detection of radioactive radiation4. 3 MODES: You can set the reminder functions of the nuclear radiation detector, support sound, flash, vibration three modes, you can choose according to your own habits5. VARIOUS FEATURES: The counter also has a variety of other Settings, such as system clock settings and unit settings, and language changes, which you can operate in English(default) or Chinese for easy one hand operatingSpecification:Item Type: Nuclear Radiation DetectorModel: GC-01Dimension: Approx. 120 x 78 x 27mm or 4.72 x 3.07 x 1.06inPower Supply: 1 x Built in lithium ion battery 1100mAhDose Rate: 0.00-10000Sv or h (10mSv or h)Energy Range: 48keV-1.5Mev 30 percent (for 137Cs-)Measurement Units: Sv or h, Gy or h, mR or h, cps, cpm switchableDetectable Radiation Types: , x, raysDetector: Energy compensated tube(technology tube)Language: Chinese and English switchableDetectable Scenarios: X ray or CT, tile or marble, industrial radiation, food or metalColor: Blue.Package List:1 x Radiation Detector1 x USB Cable1 x User Manual