{"product_id":"4-door-one-way-access-controller-adc-eg4-asc2204b-s","title":"4 Door One-way Access Controller (ADC-EG4-ASC2204B-S)","description":"\u0026gt; Support TCP\/IP communication\u003cbr\u003e\u003cbr\u003e\u0026gt; Two dual communication protocols: RS-485 and Wiegand (W26 and W34)\u003cbr\u003e\u003cbr\u003e\u0026gt; Holds 100,000 users and stores 500,000 card swiping records\u003cbr\u003e\u003cbr\u003e\u0026gt; Support interlock, group combination, anti-passback, remote unlock, and more\u003cbr\u003e\u003cbr\u003e\u0026gt; Support card reader tamper alarm, intrusion alarm, door sensor timeout alarm, duress alarm, illegal card exceeding threshold alarm, and incorrect password alarm\u003cbr\u003e\u003cbr\u003e\u0026gt; Built-in RTC, support manual time synchronization and auto time synchronization\u003cbr\u003e\u003cbr\u003e\u0026gt; Support power-off memory protection and online upgrade\u003cbr\u003e\u003cbr\u003e\u0026gt; Support watchdog (a device that protects a system from software or hardware failures)\u003cbr\u003e\u003cbr\u003e\u0026gt; Support PoE power supply","brand":"Dahua OEM","offers":[{"title":"Default Title","offer_id":50085335335209,"sku":"ADC-EG4-ASC2204B-S","price":299.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0775\/9432\/9385\/files\/ADC-EG4-ASC2204B-S_1.jpg?v=1742856965","url":"https:\/\/www.bestcctvshop.com\/zh\/products\/4-door-one-way-access-controller-adc-eg4-asc2204b-s","provider":"Best CCTV Shop","version":"1.0","type":"link"}