gas detector with man down function

{"cid":"91189666","title":"CH2O Formaldehyde Single Gas Detector with Man Drop Alarm Function","imgUrl":"https:\/\/img.ismap.com\/nimg\/80\/42\/8d88c24a04abcd3e5ac1b204b0a0-200x200-1.jpg","attrs":{"Price":"500-2000 US$","Brand Name":"Safegas","Model Number":"SKY3000","Minimum Order Quantity":"1 pcs","Delivery Time":"3-5 work days","Certification":"ATEX,IECEX","Place of Origin":"Shenzhen,China","Payment Terms":"T\/T, Western Union,Credit card","Supply Ability":"1000pcs\/day","Packaging Details":"High-grade aluminium alloy carrying case","Target Calibration":"Multipoint Calibration","Testing principle":"Catalytic Combustion, Electrochemistry","Sensor":"Imported Sensor","Mode":"Pumping Suction","Weight":"365g","Size":"157*84.5*59.5mm","Transmission":"LORA,4G,Bluetooth","Gas Type":"CH2O","Certificate":"CPA","Packing Material":"Aluminium Alloy"}}

{"cid":"91200158","title":"Phosphine Ph3 Portable Gas Leak Detector Audible Visual Vibrating And Man Down Alarms","imgUrl":"https:\/\/img.ismap.com\/nimg\/b3\/67\/332c0f141840ecc63c34d603d583-200x200-1.jpg","attrs":{"Price":"USD 389\/set- 430\/set","Brand Name":"Zetron","Model Number":"MS104K","Minimum Order Quantity":"1 set","Delivery Time":"1-10 work days","Certification":"CE","Place of Origin":"China","Payment Terms":"T\/T, Western Union, MoneyGram, D\/P, D\/A, L\/C","Supply Ability":"1000 SET \/ week","Packaging Details":"130*68*34mm","Product Name":"4 In 1 Gas Detector","Type":"diffusion type measurement","Function":"portable multi gas detector","Gas unit":"PPM, mg\/m3, Vol%, LEL%, PPHM, ppb, mg\/l.","Sampling method":"Diffusion Sampling","Alarm Type":"Visual+Sound+Vibration","Weight":"0.2(kg)","Size":"130*68*34mm (L*W*H)"}}