Smart Geiger Pro, Each

Details:

The smart geiger pro plugs directly into an android or ios smartphone and detects environmental gamma/x-ray radiation using a free downloadable app. Easy to carry and requires no batteries. Device size, 2-1/2 x 9/10 x 4/10" (64 x 24 x 9.9 Mm); wt, 13.5 G (0.03 Lb). Comes with instructions.Specifications:radiation measurement: gamma, x-raysensor type: semiconductorcase material: plasticuser interface: smartphone (headphone port)range: 0.05-200 µSv/hrmeasurement error: <±15%linearity: 98% at 30-70 µsv/hrmanufacturing country: china