Specification Brand : BSTUOKEY BulletPoint1 : ✔️This mini rfid reader is ABS material Shell,hidden installation ,LED Working Light Display, BulletPoint2 : ✔️mini small size 2cm*2cm*2.5cm,ip68 waterproof BulletPoint3 : ✔️13.56Mhz rfid card support,Card Type: MF Card BulletPoint4 : ✔️Type: MF RFID 13.56Mhz reader, Can't work alone(No Relay), Normally work with Control board/Fingerprint devcie/Master controller to build completely Security Access Control System. BulletPoint5 : ✔️Support Wiegand 34-Bit; Built-in LED (Double Color LED) and Loud Speaker (Buzzer). BulletPoint6 : 【 Communication format 】RS232, RS485, TTL frequency and other communication specifications meet your needs Color : Black CompatibleDevices : wiegand access control board panel ConnectivityTechnology : Micro USB DsaResponsiblePartyAddress : hhjerrysun@gmail.com ExternallyAssignedProductIdentifier1 : 711420705320 ExternallyAssignedProductIdentifier2 : 0711420705320 HardwareInterface : usb3.0_micro_b IncludedComponents : User manual ItemDisplayWeight : 0.05 kilograms ItemName : BSTUOKEY Mini RFID Proximity Card Reader IP68 Waterproof 13.56mhz MF Card Reader for Access Control System Wiegand 34 Output ItemPackageDimensions_Height : 1.57 inches ItemPackageDimensions_Length : 1.97 inches ItemPackageDimensions_Width : 1.97 inches ItemPackageQuantity : 1 ItemTypeKeyword : commercial-access-wiegand-card-readers Manufacturer : BSTUO ModelNumber : SCR02C NumberOfItems : 1 OperatingSystem : All operating systems PartNumber : SCR02C ProductDescription : Product description: 1:Since lots of compatible cards popular at the market.some cards is marked MF-IC. But actually it just the compatible cards,so you need make sure your IC Cards is a real MF-IC. 2:This Wiegand 34 RFID Card Reader is just reading function only,it support 13.56Mhz Rfid card,it Can't work alone(No Relay), need to work with access control panel or door access controller. Specifications: Operating Voltage:DC 12V Consumed Current:0-100mA Support cards:13.56Mhz rfid etc. Read Range:0mm-100mm(related to the card or the environment) reader interval:less than 0.5S Format:Wiegand Wiegand 34(Setting by yourself) Distance of transmission:WG34 Mini Size:25mm x 25mm x 20mm Waterproof Grade:IP68 Waterproof Grade Package Included: 1xDoor Access Control Reader