Dosimeter R-tracker. Not used. May be some scratch. Have a Sensor SBM-20. Power elements: 2 x AAA. size: 115x75x20 mm. Variable Threshold - Alarm on: 0.30 µSv/h; 0.40 µSv/h; 0.50 µSv/h; 0.60 µSv/h; "No threshold" µSv/h. Functions "Sleep mode", functions "Sound mode", function "Gamma radiation equivalent dose", functions "express mode" present. (every 15 sec. measurement), Gamma radiation equivalent dose: 0,01-99 µSv/h (1-9999 mR/h). Shipment 15-25 days.

• Short manual on the cover
• Gamma - Beta radiation detect.
• The small size: 115x75x20 mm. Size as the iPhone.
• Sensor SBM-20.
• Power elements: 2 x AAA size batteries.

Short manual on the coverEvrolab