Name: dual 3A output USB buck moduleLost In: 6 v - 40 v(DC5.5/2.1 socket terminal)Lose out: 5V/3A (MAX)Work Rate: 92% (MAX)Switching frequency, 150 KHZWorking temperature: - 40 - + 85 degreesBaby size: L_50mm*W_35mm*H_12mmLoad capacity: the maximum output 3 a (at the same time with two mobile phones)Scope of application: mobile power, mobile phone, tablet and other USB5V powered devicesBaby Name: Double USB output module 3A Step-DownInput: 6V-40VOutput: 5V / 3A (MAX)Efficiency: 92% (MAX)Switching frequency: 150KHZWorking temperature: -40 'C- + 85 'CBaby Size: L_59mm * W_21mm * H_17mmLoad capacity: Maximum output 3A (with two phones simultaneously)Scope: mobile power, mobile phones, flat-panel powered devices USB5V We are Allan Flagship Store Your Support is our power