1. net weight: ≤5kg
2. power supply requirements: dc 12v
3. rated power: ≤5w
4. rfid book reading ability: ≥ 5 copies per time
1. it reads rfid book tag, write book tag, rewrite book tag.
2. it has high conversion efficiency.
3. it can integrate the functions of borrowing, returning and renewing books.
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