5pcs/lot Rewritable Rfid Touch Memory Key Ibutton
10 reviews

Feature
TM card, also known as touch memory, electronic key
Stainless steel package with su304#,
rugged, never rust, corrosion; resistant to heat;
Anti-variant; sealing strong;
for security patrol, sauna door locks,electronic door locks,
door intercom, card systems, identification, banking,
Communications, rail transportation, transportation, and so many fields
Information ibutton RW1990 memory 64, can be repeated rubbing, write the diy code.
SPECIFICATIONS
Model Number: RW1990
Breakdown Rate:1/100,000
Serial Number:Only global 64 bit numbers
System Logic:64bits pin protection
Memory:8kb RAM
Inductive Type: touch
R/W and encrypt
R/W times:1,500,000,000
Working Temperature:-40~85

WARRANTY

We'll refund your money if the item hasn't been delivered within 40 days after purchase. You have 2 weeks to request a refund — until day 60.
Product doesn't match the description? Contact us within 30 days after you receive it!
In case of cancellation, money will be refunded to your account within 3 days.