Radiation Detector-Pocket Geiger Type 6 for Android devices-Turn Your Android Devices into a Radiation Detector Product Name: Pocket Geiger Type 6 for Android Supported Device: Android devices (see picture) Measuring Range: 0.05 Sv/h10 mSv/h (Cs-137), 0.01cpm300kcpm Sensor: First Sensor AG (Germany) X100-7 Certification: Dutch Metrology Institute No.3320408