1. material: waterproof ABS material. Each key fob has a metal key ring.2. chip: T5577 / EM4305 chip. Supports: Read and write.3. working frequency: 125 kHz. The reading distance is 0-10 cm.4. widely used in home, office, park and other places.5. eac..
1. material: ABS waterproof material. TK4100 / EM4100 chip.2. operating frequency: 125 kHz. Support: Read only, not writable.3. each key fob has a metal key ring and a unique ID number.4. most used in home, office, park and other places.5. contents: ..