ZKTeco K40 Pro is a 2.8-inch TFT color screen time and attendance terminal that also supports simple access control
Display: 2.8-inch TFT screen
Fingerprint Capacity: 1,000 (up to 2,000 without SSR, or 3,000 depending on the regional firmware/model variant)
Card Capacity: 1,000 ID/IC cards (optional up to 3,000 depending on variant)
Record / Transaction Capacity: 80,000 to 200,000 records (depending on firmware/SSR configuration)
Verification Speed: ≤ 0.5 seconds
Communication: TCP/IP, USB Host (optional Wi-Fi / GPRS depending on sub-model)
Access Control & Interfaces: Simple access control with interfaces for third-party electric locks and exit buttons