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Quick Details

  • Place of Origin: Jiangsu, China (Mainland)
  • Brand Name: Duotai
  • Model Number: DT-666
  • Working voltage: DC6V (with 4 Alkaline batteries)
  • Static current: <60 uA typical: 30 uA
  • Sensitive distance: >2.5 cm
  • Warning voltage: <4.6V ±5%

Packaging & Delivery

Packaging Details bubble & carton
Delivery Time 30 days


It is high security and easy to operate.
It is made from steel and metal.

Product  Description 



The max. capacity for the cards:

System card: only one piece

Master card: 3

Guest card: 12

Electric parameter

Working voltage: DC6V (with 4 Alkaline batteries)

Static current: <60 uA   typical: 30 uA

Operative state: <450 mA

Sensitive distance: >2.5 cm


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Trade Assurance
China (Mainland) | Manufacturer, Trading Company
Transaction Level:
Supplier Assessments:
5 Transactions 20,000+
The supplier’s transactions conducted 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 $44,000
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