Detailed Product Description hotel lockOn-line Prox-card intelligent electronic lock1.*material: zinc and brass plate *card type: mifare one, EM key ... temperature: -15°C +80°C2.*Extending function: One-card management, such as shopping, work attendance, and parking management ... on-line management system when card is lost or any fault happens.*constitutes: prox card, prox card lock, EM key, P/Writer, ...