Fangrui Product Details [convenient] Supports Fingerprint, Password, And Rfid Card For Attendance Identification, Providing Employees With Multiple Convenient Options. Easily Upload And Download Excel Attendance Reports Using The Included U Disk. [easy To Use] Comes With An Instruction Manual To Help Users Quickly Learn How To Operate The Fingerprint Time Attendance Machine. [no Need For Wi-fi Or Network] This Device Does Not Require A Network Or Wi-fi Connection. Simply Plug It In To Use. Upload And Download Reports Via The U Disk And View Them On A Computer. [satisfaction] Works Immediately Upon Setup With No Monthly Fees Or Software Charges. Can Be Easily Mounted On A Wall Or Placed On A Desk. [more Precise] Features Accurate Optical Total Reflection Fingerprint Input Technology With Strong Scratch And Abrasion Resistance. Equipped With An Auto-updated Recognition Algorithm For Reliable And Consistent Performance. Color: Black Material: Plastic Package Contents: 1 X Fingerprint Time Clock 1 X U Disk 5 X Rfid Cards Only The Above Package Content Is Included; Other Items Are Not Part Of This Package. Note: Light Reflection And Differences In Display Screens May Cause Slight Variations In Color Between The Image And The Actual Item. Measurement Allows An Error Of +/- 1-3 Cm.