waterproof 64 Bit DS1990A-F5 Wristband / Bracelet with Silicone Hand Holder Chain


Description

    An iButton bracelet (or iButton wristband) is smilar to a button battery in shape and can be inlaid into a card, key button and other objects.

   You can replace the data line, address line, control line and power line with a single line so that TM card achieves single line communication through a multi-function device. When the host is powered, TM card gives the response to the host through switching the impedances between 50Ω and 500,000Ω. The lengths of time the signal is pulled down(long or short) show the digital logics. Due to the range of witching impedances is 1-10,000, the resistances of the contact points will not affect the identification of the digital signals.

   iButton TM watch card is a convenient and durable for intelligent TM worn on the wrist above the shaped card varieties.


Key Features

Shockproof and waterproof
resistant to high temperatures
closed-loop wrist strap
flexible, easy to wear and easy to use
 

Applications

Library
Swimming pool
Sauna
Outdoor work
Bath center
Humid working environment, etc.
Key Indicators
Ultrasonic encapsulation chip and coil
Material:ABS/PVC
Protection Class: IP67
Suitable temperature: -25°C to 70°C


Contact

For more information, welcome to visit our website : http://ang-top.en.made-in-china.com
 
pls contact Dora at  Shenzhen A.N.G Technology Co., Ltd. with no hesitation. 
Miss Dora He is on your service within 24 hours!