4 wire doorbell intercom system

{"cid":"91197073","title":"2-Wire Memory Intercom 7inches Doorbell Home Security Video Door Phone Interphone","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/76\/e7\/4a61ac96851c6bfffc9ac17f719e-200x200-1.jpg","attrs":{"Price":"$70-$150\/set","Brand Name":"AVATA","Model Number":"92708MP+92207-2","Minimum Order Quantity":"100sets","Delivery Time":"15-30 days","Certification":"CE\/FCC\/RED\/ROHS\/ISO9001","Place of Origin":"China","Payment Terms":"T\/T, Western Union, MoneyGram,paypal, L\/C","Supply Ability":"20000 PCS\/Month","Packaging Details":"Neutral packing\uff0cOEM\/ODM Packing","Material":"Metal","Type":"2 wire Video door phone","Screen":"7 Inch Touch key","Connection":"2 wire","Night Vision:":"Yes","Voice Service":"Yes","Installation":"Surface-Mounted","Power":"DC15V, 0.8A \/ AC100-240V 50\/60Hz (Optional)","Indoor Monitor Unlock Release":"Support","Outdoor Panel Unlock Release":"Support","Trademark":"OEM \/ ODM","Camera Sensor":"1000tvl","View Angle":"125\u00b0","LEDs For Night Vision":"Red light LED","Operation Temp":"-40\u00baC +50\u00baC","Waterproof Rate":"IP65"}}

{"cid":"91187466","title":"Wireless WIFI Video Door Phone IP Doorbell Intercom System 1080P Wired Camera Night Vision","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/2c\/ca\/766246b10dc63cd9f0e8d29ef91b-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"oxiang","Model Number":"M701-AHD \/ WD4-AHD\/ 1V2","Minimum Order Quantity":"negotiable","Delivery Time":"5 days","Certification":"ce fcc","Place of Origin":"china","Payment Terms":"L\/C, T\/T, Western Union, MoneyGram","Supply Ability":"10000","Packaging Details":"package","resolution":"1080P","Material":"aluminum","video":"doorbell camera"}}