Smart Geiger is tiny and beautifully designed with aluminum body sensor that measures radiations (Gamma and X-ray) collect and analyze the hidden qualities of your surroundings. You just download the free App and connect Smart Geiger into the smartphone headphone jack and run the app to measure. It is fully powered by the smartphone.
Measurement: Gamma, X-ray
Sensor type: Semiconductor Sensor
User Interface: Smartphone (plug into headphone jack)