Weight: 32gWorking current(Fingerprint acquisition): 20mA1. Integrated image collecting and algorithm chip together, ALL-in-One2. The flexibility to adapt to the conditions was the fingers, whether it is dry fingers, wet fingers, light texture fingerprints fingers, and old fingers, all have high recognition rate3. The main application areas: can be embedded into a variety of end products, such as: access control, attendance, safety deposit boxModel Number: R503Voltage: DC 3.3VEffective collection area: Diameter 15mmFingerprint capacity: 200Resolution: 508 DPISensing array: 192*192 pixelcolour:SilverMaterial:metalsize:28mmPackage Contents:1*Capacitive Fingerprint ModuleOnly the above package content, other products are not included.Note: Light shooting 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.