brushless electric chainsaw with auto tension

{"cid":"91219521","title":"16 Inch Brushless Electric Chainsaw Battery Powered with Auto Chain Tension and Lubrication System","imgUrl":"https:\/\/img.chinax.com\/nimg\/63\/7d\/d1cc5a04e1369355201af2b4b29d-200x200-1.jpg","attrs":{"Price":"$29.5\/set","Brand Name":"Auston","Model Number":"AE120-2","Minimum Order Quantity":"2 Sets","Delivery Time":"9-12 work days","Certification":"CE","Place of Origin":"China","Payment Terms":"L\/C, T\/T, Western Union","Supply Ability":"1000 Pieces per week","Packaging Details":"Carton or Plastic box","Power":"800 W","Voltage":"21V","Guide bar size":"16 Inch","Chain speed":"11 M\/S","Material":"Steel Chain","Product Name":"Electric Cordless Chainsaw Gardening"}}

{"cid":"91211853","title":"8 Amp 2 In 1 Garden Electric Chainsaw Telescopic Pole Saw Electric 10 Feet Reach","imgUrl":"https:\/\/img.chinax.com\/nimg\/45\/d3\/85becee3294517747667161ecc9e-200x200-1.jpg","attrs":{"Price":"Price can be negotiable","Brand Name":"WEIWO","Model Number":"WW-T02A","Minimum Order Quantity":"1 Set","Delivery Time":"Two weeks after PO confirmed","Certification":"ISO9001:2008","Place of Origin":"Zhejiang, China","Payment Terms":"T\/T, L\/C","Supply Ability":"500 sets per month","Packaging Details":"All spare parts are put into tool cabinet. Tool carbinets are put into standard wooden box.","Motor type":"brushless motor","Charging time":"30 minutes","Maximum power":"650w","Cutter tooth length":"180mm","Blade length":"260mm","Noise":"83nb","Weight":"5.5KG"}}