Solu Dual H Bridge DC Stepper Motor Drive Controller Board Module L298N for Arduino//L298N Motor Drive Controller Board DC Dual H-Bridge Robot Stepper Motor Control & Drives Module for Arduino Smart Car Power UNO MEGA R3 Mega2560 About us (Solu), Professional factory of circuit boards, welcome to our store for more choices with best price. What we pursue is your satisfication of our service, not just for our goods.For any reason you are unsatisfied with our product at any time, simply contact support for exchange or refund. we will reply you about any question you ask within 24 hours Usually, you will get it actually in 9~19 days, If you are in the USA and the item is NOT Fulfilled by Amazon. the item will be sent to you by USPS with shipping information from China. The estimated delivery time offered by Amazon is not the real time. Your patience is highly appreciated. Hope you will receive your item soon and enjoy using it. High working power to 46v,large current can reach 3A MAX and continue current is 2A, power to 25w. Can drive one 2-phase stepper motor, one 4-phase stepper motor or two DC motors.L298N as main chip, Low heat,outstanding anti-interference performance. Built-in 78M05,get power from drive power,however, when drive power over12V, please use the external 5v power as power supply.