Physical: Metal Body, Molded rubber shell, Completely water resistant
Dimensions: 130mmx40mmx28mm
Frequency: 125KHz
Operating Temperature: -40?to 186?F (-45?to +85?C)
Humidity: 10% to 90% non-condensing Storage Memory: 4Mb Flash ROM
Storage Capacity: 60000 pieces records
Battery: 3.0 V Lithium Battery, 1200mAh
Signal Card Detection: Auto induction card-reading
Card Reading Distance: 3cm-5cm (EM signal card)
Communication: USB port, no need downloader station Weight: 196g