Specification: Decode time: Less than 0.2sCommunication: Wiegand 26 bitCard type: card, compatible card, EM4100/TK4100 (Can' support some encrypted cards,such as HID, Cobra, APCiK etc)Frequency: 125khzInduction Distance: Common Card up to 30-40cm (11.8inch-15.7inch) / Long range proximity card up to 80-100cm (31.5inch-39.4inch)Power supply: 12VDCData transfer range: max.80mACurrent: 200mAWorking Temperature: 0~70 / 32~158Working Humidity: Less than 80%Dimension (LxWxH): 230x230x35mm / 9.1inchx9.1inchx1.4inchBuilt-in antenna: YesBuilt-in buzzer: YesApplication: Parking, elevator, logistics industry,etc.Notification: The Reading range is a complex parameter, So called inch1M rangeinch,only means the unit works with the special long range card,that is a 2mm thickness credit size card.Normally, the unit can also work with normal cards, normal 2mm / 0.08inch thickness card can reach 60cm / 23.6inch range, 0.8mm / 0.03inch card can reach 40cm / 15.7inch range.Specification: AColor: BlackMaterial: plasticPackage Contents:1 x medium distance card readerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.