Nuclear Radiation Detector Geiger Counter Dosage Alarm Device Dosimeter Monitor Meter BR 6 Item Type: Nuclear Radiation Detector Model: BR-6 Material: ABS Uses: Home decoration environment detection, safety distance detection after iodine ion implantation, radiological protection detection, subway airport security inspection machine detection, overseas shopping for Japanese goods residue detection, maternity and baby products radioactivity detection, jewelry, stone and jade article radioactivity detection, cosmetic radiation residue detection and all the occasion that need to detect radioactivity Battery: 2 x 1.5V AA battery (not include) Basic Parameters: Sensor: Energy compensation type GM tube Detection Type: Beta, gamma, x ray Inherent Error: ±10% Sensitivity: 80cpm μsv (Co 60) Measurement Range: 00.00~99.99μsv per h Sound Source Type: Real particle sound, alarm sound, mute Alarm Threshold: 0.5, 1.0, 2.0, 5.0