Zkteco S922 Waterproof, dustproof & shockproof off-site time and attendance

Built-in 7600 mAh backup battery extends extra operation time
• IP65 rated waterproof and dustproof protection grade
• Shock proof (0.5m above the ground) with unique rubber coating
• Communication: TCP/IP, USB-host, Optional: Wi-Fi, 3G (WCDMA)
• Multiple authentications: support fingerprint, ID card or Mifare card
• Fingerprint Capacity: 50,000
• Card Capacity: 50,000