Name: Smart Door Lock Future Model number: HLS-FT Applicable door type: Wooden door, copper door, metal door, stainless steel door Key capacity: Card or password 1000 pieces, fingerprint 200 piece Power supply 1 Lithium batteries, can use power bank for temporary charge Operating voltage range: 5.0-7.4V Emergency power Equipped with emergency power interface, voltage 5V Quiescent current: < 80 UA Communicate signal with hosts: encrypted 433MHz Operating temperature: -25° to 55° C Relative humidity: < 93% noncondensing