dc3 7v carbon monoxide and gas detector

{"cid":"91211450","title":"Compact and Lightweight ToxiRAE Pro Carbon Monoxide Gas Detector for Petrochemical Environmental Protection","imgUrl":"https:\/\/img.chinax.com\/nimg\/ad\/ce\/658514da861edabf1f1feccf7dea-200x200-1.jpg","attrs":{"Model Number":"ToxiRAE Pro","Minimum Order Quantity":"1","Delivery Time":"3-5work days","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Product Type":"Dispersive electrochemical toxic gas detector with data storage","Size":"118 mm x 60 mm x 30 mm Weight: 220g","Battery":"Built-in rechargeable lithium battery, 3.7V, 1800mAh","Charging time":"Less than 4 hours","Working time":"more than 30 hours on full charge","Charger":"Charger with USB interface"}}

{"cid":"91221935","title":"3V\/3.7V Lithium Battery Portable O2 Gas Concentration Detector with Sound-Light Alarm","imgUrl":"https:\/\/img.chinax.com\/nimg\/2e\/c3\/b71c6bcdda0d263bb2064ea75c7a-200x200-1.jpg","attrs":{"Minimum Order Quantity":"1PC","Model NO.":"K60","Portable":"Portable","Certification":"CE","Gas":"Customized","Type":"Electrochemical Gas Analyzer","Item":"Single Gas Detector","Sampling":"Difusion","Working Voltage":"3V\/3.7V Lithium Battery","Alarm Type":"Acousto-Optic Alarm with Vibration","Sensor Life":"2-5 Years","Explosion-Proof Grade":"Ex Ib Iic T3","Weight":"Approx. 120g","Transport Package":"1 Set\/ Carton","Specification":"109x56x38mm\/4.291\"x2.205\"x1.496\"","Trademark":"KELISAIKE or OEM","Origin":"Nanjing, China","HS Code":"8531100000","Supply Ability":"500PCS\/Month","Package Size":"16.00cm * 11.00cm * 5.00cm","Package Gross Weight":"0.500kg","Warranty":"1 Year","Brand":"Kelisaike","Customized":"Customized","Customization":"Available | Customized Request","Shipping Cost ":"about shipping cost and estimated delivery time."," ":"Initial Payment Full Payment","Currency":"US$","Return&refunds":"You can apply for a refund up to 30 days after receipt of the products.","Stock":"1PC"}}