ZKTeco SpeedFace V4L Linux-based hybrid biometric Time & Attendance and Access Control with Visible Light facial recognition and palm recognition Characteristics Visible light facial recognition Anti-spoofing algorithm against print attack (laser, color and B / W photos), video attack and 3D mask attack Multiple verification methods: Face / Palm / Card / Password Available card modules: 125 kHz ID card (EM) / 13.56 MHz IC card (MF) Light supplement with adjustable brightness The capacity of 800 facial templates, 800 palm templates April 8, 2022 by securetech