square wave

{"cid":"111090","pid":"21448933","pimg_url":"\/\/img1.tradegrowthhub.com\/6a\/15\/0dd3f2bfec2c\/product\/71590176_s-w400xh400.jpg","name":"Rectangular 36v 250w CE\/EMC\/Rohs approval 6-12 aluminum alloy plastic tubes hall\/No wave electric bike controller for 250w motor","attrs":{"Price":"Negotiable","MOQ":"1.0 Pieces","Delivery Time":"Negotiable"}}

{"cid":"111090","pid":"21448931","pimg_url":"\/\/img1.tradegrowthhub.com\/6a\/15\/0dd3f2bfec2c\/product\/71590109_s-w400xh400.jpg","name":"EMC\/CE15194\/ROHS approval 48v\/60v\/72v DC ebike motor speed controller smart motor controller KT12B","attrs":{"Price":"Negotiable","MOQ":"1.0 Pieces","Delivery Time":"Negotiable","Brand":"KT"}}

{"cid":"111090","pid":"21448928","pimg_url":"\/\/img1.tradegrowthhub.com\/6a\/15\/0dd3f2bfec2c\/product\/71590156_s-w400xh400.jpg","name":"Electric ebike scooter dc motor controller 48v 1000w brushless motor controller EMC\/ROHS\/CE 15194 appoval KT12","attrs":{"Price":"Negotiable","MOQ":"1.0 Pieces","Delivery Time":"Negotiable","Brand":"KT"}}

{"cid":"111090","pid":"21448925","pimg_url":"\/\/img1.tradegrowthhub.com\/6a\/15\/0dd3f2bfec2c\/product\/71590146_s-w400xh400.jpg","name":"36v\/48v EMC\/ROHS\/CE 15194 Approval Brushless Motor Controller Good Quality Ebike Motor Controller KT9","attrs":{"Price":"Negotiable","MOQ":"1.0 Pieces","Delivery Time":"Negotiable","Brand":"KT"}}

{"cid":"111090","pid":"21448923","pimg_url":"\/\/img1.tradegrowthhub.com\/6a\/15\/0dd3f2bfec2c\/product\/71590095_s-w400xh400.jpg","name":"New designed ebike PC programmable controller 14A controller KT6","attrs":{"Price":"Negotiable","MOQ":"1.0 Pieces","Delivery Time":"Negotiable","Brand":"KT"}}