... from input "#" and input "* " can end input operation. Password : 4-8 digitsIII. Parameter1. Can self set password to unlock2. Empty lock ... . Static power: 30 uA 7. Working current: 200 MA-PP 8. Working environment:-40 °C to+85 °C, humidity≤ 98% ... KV Applicable to agent, school, SPA/sauna bath center, swimming pool, gymnasium, golf course, supermarket, hotel, company, factory, household, business clue ...