Communication interface : USB and UART; 1:N Identification (One-to-Many); 1:1 Verification (One-to-One) High speed fingerprint identification algorithm engine; Self study function; Fingerprint feature data read/write functions Get Feature Data of Captured fingerprint and Verify/Identify; Downloaded Feature with Captured Fingerprint Identify Downloaded Feature with Captured fingerprint Security Level setting; to set BaudRate/ Device ID/Device Password; :Windows 98, Me, NT4.0, 2000, XP,WIN 7 or Android Model:R304S Type:Capacitive Fingerprint Module Interface:USB,UART(RS232 TTL) Resolution:508 Voltage:DC 4.2-6V Fingerprint Capacity:1000 Sensing array:208 x 288 pixel Fingerprint module size:33.4 x 20.4 x 1.0(mm) Effective collection area:11 x 15 (mm) Scanning Speed:Less than 0.2 second Verification Speed:Less than 0.3 second Matching :1:1; 1:N FRR:0.1% FAR:0.0001% Work environment:-20C ---50C Work Humidity:10-85% Anti-static capacity:15KV Abrasive resistance intensity:1 million times Communications rate (UART):(9600 x N) where N = 1 ~ 12(default N = 6, ie 57600bps) color:Silver Material:Metal + Plastic Package Contents: 1 x Capacitive Fingerprint Module 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.