Hign-concerned Chemical:None Model Number:U01E Living Fingerprints Unified algorithm(compatible with FCARD series fingerprint products) USB Power Supply and Communication Support: Unified management of access control, offline access control, access control attendance machine, patrol machine, consumer machine, water control machine, elevator access control controller, parking lot system, etc., to realize a real one-card system with one card and one library. Color: As Shown Material: plastic Package Contents: 1 * USB Fingerprint Enrollment Device Only 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.