over limit alerts ambient noise monitor

{"cid":"91225117","title":"Industrial Boundary Noise Monitoring System with Real-time Monitoring Over-limit Alerts and Multi-Parameter Expansion","imgUrl":"https:\/\/img.chinax.com\/nimg\/c3\/cb\/0bc30c8e708c9b87da25ff04715d-200x200-1.jpg","attrs":{"Price":"USD2000-4000","Brand Name":"JUGE","Model Number":"AG-01N","Minimum Order Quantity":"1 Unit","Delivery Time":"10-15 working days","Packaging Details":"Neutral carton","Payment Terms":"T\/T,Online order","Supply Ability":"100 Unit\/Week","Certification":"IOS9001, CE","Place of Origin":"Nanjing, China","Name":"Industrial Boundary Noise Monitoring System"}}

{"cid":"91221935","title":"Portable Multi Gas Detector With Smart Sensor Lel O2 Co H2s 4 In1 Gas Leak Monitor","imgUrl":"https:\/\/img.chinax.com\/nimg\/a7\/8b\/2e6bf88a41820d7e85a28adba634-200x200-1.jpg","attrs":{"Price":"US$199-400","Brand Name":"KELISAIKE","Model Number":"Per the description","Minimum Order Quantity":"1","Delivery Time":"7 work days","Payment Terms":"T\/T, Western Union, MoneyGram, Paypal","Shipping Method":"LCL, AIR, FCL, Express","Certification":"CE","Place of Origin":"Nanjing,China","Supply Ability":"3000pcs per month","Packaging Details":"Carton","Gas":"Vocs, Co, H2s, O2, Lel\/CH4","Alarm Type":"Vibration+Sound+Light Alarm","Power supply":"3.7 V Rechargeable Lithium Battery","Explosion-Proof Grade":"Exdib IIC T3","Weight":"Approx. 300g","Size":"133 x 70 x 36 mm","Gas sensor":"Honeywell & Alphasense & CITY","Sampling method":"Diffusion sampling standard \/ Sampling pump optional","Accessories":"Detection Probe&Rubber Protection Case","Warranty":"1 year","HS Code":"8531100000"}}