High Quality Zinc Alloy Smart Door Lock

1. Fashionable style 2. EM inductive card to open the door 3. Material: Stainless steel 4. Door thickness: 38~55mm 1. Function characteristics 1) Each lock can accept: 2PCS Management cards, 108PCS Room cards. 2) Still can open door about 100 times after low-voltage warning. (4PCS AA alkaline batteries for each lock) 2. Unlocking Method: Management Card: The card cannot open the lock, just used for setting the Room card. Room Card: The confirmed Room cards can unlock the lock, and green light will be on and 1 long beep. Room cards that are not be confirmed open the lock, red light will flash 3 times. The same card that is confirmed by several locks can open all these doors.   Technical itemParameter Descriptionshell materialsStainless steel/pure copper/ zinc alloyWeighabout 3.7 kgsSide pressure strength1000kgsLife timeover 10 yearsInductive Distance20mmEffective unlocking durationwithin 6 secondspower supplyDC6V, 4 * #5 alkaline batteriesquiescent current20μ Aworking temperature-40~85Relative humidityless than 95%, no corrosive gas and dustService durability100, 000 timesdata saving lengthover 100 yearsApplicable door thickness38~55 mm  /* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1