5pcs RW1990 Keyfobs Keychain Rewritable iButton Sauna KeyTM Tag Can Copy Change Code Touch Memory Cloner

If you choose ‘Mixed colors’: 1pcs blue,1pcs red,1pcs yellow, 1pcs green, 1pcs black.

RW1990 – f5 can change code can copy, 64 k memory read/write IButton. Compatible DS1990a
Material: su304 0.3 stainless steel
Specification: 16.25 mm (diameter) x 5.89 mm (high)
Working temperature: – 40 ° C to + 85 °
Waterproof and high temperature and high sensitivity, 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. mainly used in Russia, Europe and Turkey and west Asia countries