10Pcs iButton DS1990A TM1990A-F5 Touch Memory Card TM iButton Tag IB Tags with Handle for Electronic Lock Access Control Door

10Pcs Touch Memory Key TM1990A IB Card Waterproof for Lock

Note: If you need to record DS1990/TM1990, pls buy the RW1990 key.

TM1990A-F5, compatible with DS1990A.

Type: TM1990A-F5 (Read-only, not overwritten)

Dimensions: diameter 16.25 mm, height 5.89 mm

Function:
Water protection, vibration, rust;
The body is made of 304 stainless steel and not rust;
The chip is manufactured by the new TM1990A plate, the unique 64-bit serial number of the world.
Fully compatible with DS1990A(R).