Readability) or register and use one of their other fingers. Their forehead before touching the reader (skin oils aid in Slightly harder, hold their finger on the reader slightly longer, touch People with difficult-to-read fingerprints may wish to press Hand-sanitizers can dry out the skin, making fingerprints harder to read. Please contact us if you needįingerprint scanning is affected by a variety of factors, some that can That some applications and development kits require specific versions

That are currently known to support this scanner. The DigitalPersona U.are.U 4500 Reader is compatible with many different softwareĭevelopment kits and applications. (1) These operating systems are supported by Neurotechnology SDKs.ĭevice manufacturers may have different lists of supported operating DigitalPersona U.are.U 4500 Technical Specifications