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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: KOTech
  • Model Number: ZM81biometric fingerprint usb scanner
  • Item: ZM81biometric fingerprint usb scanner
  • Resolution: 500DPI
  • Free SDK: YES
  • Sensor: Optical Sensor
  • Operate System: Android, Windows OS, Macs, IOS
  • Interface: Bluetooth, USB
  • Voltage: 5V
  • Battery: 3.7V Li-battery(1000maH)
  • Match Speed: <1s
  • Picture format: RAW

Packaging & Delivery

Packaging Details Carton
Delivery Time Within 1-7 workdays after payment is received
Product Description

ZM81  is optical fingerprint reader, with bluetooth, and support USB mini, with built-in battery, which is chargeable, it can standby 3 days after charge. 

SDK is available. which can work with Android and Windows OS, Macs, IOS.


Image size
Bluetooth, USB
Optical Sensor
Compatible OS
Windows, Linux, Mac OS, Android, IOS
Fingerprint Capacity
1000 user
Match Speed
Picture format
Image size
Woking Voltage
Working Current
Max 100mA
3.7V Li-battery(1000maH)
Operating Temperature
-20 °C-70 °C
Working Humidity
Products Show
Android OS Demo
Windows OS Demo
Color Available
Our Advantage

1. We have professional technician team to support any of your questions on technician aspect
2.OEM/ODM for adding your logo for free
3.Customized Language
4.Free Software/SDK
5.Life-Long After-Service

Payment and Shipment

Payment Terms:
1.Paypal for small sample orders
2.T/T(Telegraphic Transfer) or Western Union

1.International Express(DHL, TNT, Fedex, UPS, EMS, Aramex)
2.International Airline
3.International Sea Shipping


Q: Do you support OEM/ODM?
A: Yes, We can design and produce machines with your own logo.

Q: What is the minimum order?
A: We accept one piece for standard products. If require OEM, need detailed requirements to confirm MOQ.

Q: Would you provide SDK for me?
A: Yes,we offer free SDK if you order sample. All the contents in a CD ROM with sample together.

Q: What warranty for the products?
A: We will provide 12 months warranty time from the shipment date for our all products (Excluded the consumable parts).

Q: What's the delivery time?
A: Generally, sample can be shipped in 1-3 working days after payment. For quantity, the leading time will be 1-4 weeks depend on exact quantity.

Transaction History of the Supplier

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Transaction Overview


Transaction Details

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Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
Trade Assurance
China (Mainland)
Transaction Level:
Supplier Assessments:
3 Transactions 10,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $130,000
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