Zkteco K40 Fingerprint Time Clock Control Terminal

Product description fingerprint capacity 1000 record capacity 80000 display 2.8 inch tft screen communication tcp/ip,usb-host standard functions work code, sms, dst,self-service query, automatic status switch,built-in backup battery optional functions id/mifare/hid, webserver, 9 digit user id, extensible barcode,scheduled-bell, and wi-fi, adms,gprs access control functions 3rd party electric lock, door sensor, exit button, alarm, doorbell languages english, power supply dc 12v verification speed ≤0.5 sec operating temp. 0°c- 45°c operating humidity 20%-80% dimension 184*136*37.6mm(length×width×thickness) gross weight 1.5kg