... :mSv / mrem Dimension: 84*48*17.5mm Personal Dosimeter Alarm WB-200S Personal dosimeter alarm is useful for staffs with γ ray and ... indication2. Small in size3. Waterproof4. Used alone or with personal dosimeter system5. Self-checking of batteries, detector and referenceTechnology parameter: Dimension84 ... )For more details, pls feel free to contact us! Personal Dosimeter Alarm WB-200S