Weight:32gWorking current(Fingerprint acquisition):20mA1. Integrated collecting and algorithm chip , ALL-in-One2. The flexibility to adapt to the conditions the , whether it is dry , wet , light texture fingerprints , and old , all have high recognition rate3. The main application areas: can be embedded into a of end , such as: access control, attendance, safety deposit boxModel Number:R503Voltage:DC 3.3VEffective collection area:Diameter 15mmFingerprint capacity:200Resolution:508 Sensing :192*192 pixelcolour:SilverMaterial:metalsize:28mmPackage Contents:1*Capacitive Fingerprint ModuleOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.