Fingerprint time attendance features desktop with delicate & beautiful appearance and convenient operation Digital fingerprint time attendance with fashionable desktop design. Standard USB communication. Plug and play Built-in 1300mAh Lithium ion battery support 4-hour continuous operation if power failure Support different language. Fingerprint capacity: 500 Transaction capacity: 30000 Communication: USB- Client LCD: Black & White LCD LED: Red, green Identification Speed:≤ 0.9 s FAR:≤0.0001% FRR:≤1% Operation temperature: 0-45 centigrade degrees Operation Humidity: 20%-80% Backup battery: 1300mAh Lithium ion battery Power supply: DC5V 800mA Dimension: 158 x 124 x 110 Optional: ID/Mifare card reader