Features:_x000D_ Using the LCD display, the working status of the nuclear radiation instrument is clear on the display, and you can quickly and accurately read the data you need._x000D_ With the function of automatically storing cumulative dose, even if the power is suddenly cut off, the data will not be lost and can be stored for a long time._x000D_ There are three alarm methods: sound, light and vibration, which can better remind you and give you a better experience._x000D_ Hand-held portable design, easy to carry and store, you can put it in your pocket for carrying._x000D_ NR-750 has three measurement units: uSv/h, uGy/h, mR/h, which can meet your daily needs for detecting radioactive radiation._x000D_ Specifications:_x000D_ Material: plastics_x000D_ Detecting rays: X, Y, _x000D_ Dose current rate: 0.00~1000usv/h (10msv/h)_x000D_ Accumulated dose equivalent: 0.00uSv~500.0mSv_x000D_ Energy ranges: 48keV~1.5Mev30% (for 137Cs-)_x000D_ Language: English, Chinese_x000D_ Sentivity: 80CPM/uSv (for Co-60)_x000D_ Power: 2 * AA battery (NOT INCLUDED)_x000D_ Item weight: 120g / 4.2ounce_x000D_ Package size: 172 * 126 * 36mm / 6.8 * 5.0 * 1.4in_x000D_ Package weight: 200g / 7.1ounce_x000D_ Note:_x000D_ The time and date displayed on the screen are used to record and mark the measurement time, not the real time. The time and date are reset when the power is turned on and off._x000D_ Packing list:_x000D_ 1 * Nuclear Radiation Detector