Main features: Durable Use the latest optical fingerprint identification technology, with fast, accurate and economical characteristics Language selection A language ( Mandarin, Cantonese, English) language prompts ( special language can be ordered) Four languages ( simplified and traditional Chinese, English, Korean) display selection ( language transformation can be ordered) Inter-network connection Support multiple fingerprint machines and different regional operations ( additional features) ; Support server / client LCD QVGA color LCD screen Size 185* 128* 50mm Operating mode Offline & Standalone Voltage DC 9V/ DC 5V ( optional) Verification Fingerprint/ Password/ Card ( optional) Comparing 1: N Fingerprint Image Size 16* 14mm Verification Time