Fingerprint Digital Keyless Glass Lock. IC Card:256 Users max. Power input:DC 4.4V-8V.Low power alarm: 4.8V. This item is in the category "Home & Garden\Home Improvement\Building & Hardware\Doors & Door Hardware\Door Locks & Lock Mechanisms". The seller is "vonivoker" and is located in this country: CN. This item can be shipped worldwide.