This product adopts a micro-controller chip and comes with a WIFI module. It is equipped with the Smart app, which can be downloaded from both Android and iOS app stores. The device Features a 0.89-inch OLED display screen and can generate a data document that can store up to 50,000 sets of data. It has a real-time clock and can display the reading in a trend graph. It can also alert using audio, light, graphics, or vibration, and the threshold value can be set. Features: It is made of premium material, antislip and antidrop, wear resistance and with comfortable grip feeling. Adopts a quality counting tube with high detection sensitivity, especially for environmental radioactivitymonitoring to detect traces of nuclear radiation and electromagnetic radiation. Configured OLED display screen, with multifunctional monitoring pages. The detector is used to measure X, and rays radiation, it is optimal for measuring small changes in radiation levels, and has high sensitivity for most commonly used nuclides. Alarm design, with sound alarm when dose rate and cumulative dose are over threshold, and the thresholds of dose rate and cumulative dose can be set manually. Wide applications, suitable for family decoration, radiation shining manufacture enterprises, hygiene, radiation treatments, nuclear lab, nuclear station, import-and-export commerce inspection, building materials, petroleum chemical, geology general investigation, used steels, industry flaw detection and others. Specifications: Model: HZ002 Material: ABS Sensor Type: Energy-compensated GM tube Detectable Measurement Type: -ray,-ray,X-ray Energy Range: 20kev3.0mev30137Cs- Sensitivity: 80cpm/SV/Co-60 Resolution: 0.01SV/h Measurement Range: 9999SV/h Real Time Error: 3 Power Supply: 5V/USB 3.7V lithium battery/500MAH Charging Time: 1-2 hours Item Size: 110 * 27 * 16 mm / 4.33 * 1.06 * 0.63 inch Item Weight: 59g / 2.08oz Package Size: 125 * 67 * 25 mm / 4.92 * 2.64 * 0.98 inch Package Weight: 108g / 3.81oz Package List: 1 * Nuclear Radiation Detector 1 * Manual(English)