Features:<br>Portable Size: This nuclear radiation detector has the pen type design for you to carry it easily, you can even put it into your pocket to carry.<br>Easy to Operate: One button open and measuring, you can get the results quickly and easily.<br>Adopting OLED display screen to display the instantaneous dose, average dose and cumulative dose for you.<br>If the detected data exceeds the preset value, it has the sound and light two alarm ways to alarm you.<br>Built-in lithium battery to supplys power, you can recharge it in time.<br>Wide Applications: This nuclear radiation detector can be widely used in nuclear physics, environmental monitoring and industrial fields.<br>Specifications:<br>Material: ABS<br>Detectable types: , Y, X rays<br>Measurement ranges: 0.05uSv-50mSv<br>Battery: 1 * lithium battery, 300mAh (included)<br>Measurement accuracy: -17% ~+25% based on 137Csy<br>Working environment: temperature -20 C ~50 C, Humidity < 95% RH, no condensation<br>Package size: 120 * 50 * 20mm / 4.7 * 2.0 * 0.8in<br>Pacakge weight: 95g / 3.4ounce<br>Packing List:<br>1 * Nuclear Radiation Detector