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HardwareLive

ZKTeco / eSSL

Plug-and-play biometric device sync.

Most Indian gyms already own a ZKTeco or eSSL device. We support all current models out of the box, with two-way sync of users and attendance. Failures auto-retry; you never lose a punch.

What's included

Capabilities

  • Auto-discovery of devices on your local network
  • Member enrollment from Kasratbook to device
  • Attendance push to Kasratbook every 30 seconds
  • Offline-tolerant with local buffer
  • Multiple devices per branch
  • Compatible with K40, F18, MB360, and 30+ other models
Setup in 5 minutes

How to connect

  1. 1Plug your device into your gym's network (Ethernet recommended)
  2. 2Open Kasratbook → Devices → Auto-detect
  3. 3Pick the device, enter the admin code
  4. 4Initial enrollment of all members runs (1-3 minutes per 100 members)

Common questions

Do I need a separate computer for this?+

No. Our cloud connector talks directly to the device. As long as it's on the network, it works.

What if my device is older?+

Most ZKTeco/eSSL devices from 2017 onwards work. If yours doesn't, we have a paid hardware upgrade program.

Start growing your gym today.

3 days free. Full onboarding done for you. No credit card. No lock-in.