smoke alarm for hearing impaired

{"cid":"91198934","title":"Wireless Interconnected Smoke Alarm Detector Replaceable Battery Photoelectric Fire Alarm","imgUrl":"https:\/\/img.chinax.com\/nimg\/49\/fa\/6c6c3099f147074150aa2205bd29-200x200-1.jpg","attrs":{"Price":"$10.4 - $11.27 pcs","Brand Name":"Ariza","Model Number":"SM11R","Minimum Order Quantity":"500 pcs","Delivery Time":"20 - 25 days","Certification":"CE, TUV","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union","Supply Ability":"100000 pcs \/ per month","Packaging Details":"Color Box. Qty\uff1a50pcs\/ctn Size\uff1a39.5*34*32.5cm G.W\uff1a10kg\/ctn","Product Name":"Wireless Interconnected Smoke Alarm Detector","Material":"ABS","Power":"DC 2*1.5 V AA Alkaline \/ Carbon Zinc battery","Standy Current":"\u226410\u03bcA","Alarm Current":"\uff1c70mA","Alarm Volume":"about 85 decibel","Alarm Sensitivity":"0.09 - .17 decibel \/ m","Low Battery":"2.6 \u00b1 0.1 V","Silence Time":"approx. 10 minutes","Warranty":"3 year"}}

{"cid":"91103086","title":"Vibrator Watch Receiver","imgUrl":"https:\/\/img.chinax.com\/nimg\/d1\/d9\/c6f39dd591a5151084b3bf8fe4cc-200x200-1.jpg","attrs":{"Brand Name":"chinacoal","Minimum Order Quantity":"1set","Delivery Time":"7 days for ready goods","Place of Origin":"China","Certification":"ISO9001,CE","Packaging Details":"standard carton packing","Payment Terms":"TT,LC,Paypal,Western Union ","Supply Ability":"3000 sets\/month"}}