... 85°CHumidity5%to 95% non-condensingStorageCapacity10,000 piecesrecordsBattery3.7V rechargeable lithium battery, 800mAhSignalCard DetectionAutoinduction card-readingCardReading Distance3cm-5cmCommunicationWithUSB2.0 CableWeight220gWaterproof& ... completely waterproof, and can be sealed inside non-metallicmaterial walls; Button, circle, keyring, nail and cylinder-shaped cards used asguard ...