Brand: SOA
Model: TM1971-F5
Price: USD 0.9 / PCS
Min. Order: 1000 PCS
TM card
I Button
Information Button
Smart Card (TM card, Information Button, Touch Memory)
Type: TM1991-F5
Dimension: diameter 16.25MM, high 5.9MM
Function: anti-water, anti-shake, anti-rust; the shell is made by 304 stainless steel, never rust;