best wireless doorbell for your home

{"cid":"91169683","title":"Quad-Band GSM+PSTN Dual Network Touch Keypad LCD Display Wireless Home Alarm System","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/6c\/f0\/7826a6fde48e817667c97b08be83-200x200-1.jpg","attrs":{"Price":"$89~$99\/set","Brand Name":"Beyond","Model Number":"CX-PG88","Minimum Order Quantity":"1 Set\/Sets accept paypal","Delivery Time":"3 working days for sample\/Tow weeks for bulk order","Place of Origin":"Guangdong China (Mainland)","Certification":"CE,FCC,RoSH","GSM frequency":"Quad Band(850\/900\/1800\/1900Mhz)","Zones":"30 wireless zones + 8 wired zones","Network":"GSM+PSTN dual network","FM frequency":"433mhz","Host Panel Color":"White","Packaging Details":"1 set\/color gift box,10 sets\/carton","Payment Terms":"L\/C,T\/T,Western Union,Paypal","Supply Ability":"8000 Set\/Sets per Month","Usage":"Works, banks, stores, warehouses, offices and homestead"}}