Feature: Small size and light weight.Suitable for controlling ordinary DC motors, smart car motors, etc.Reversible control and PWM speed control.High speed switch design.Ultra low internal resistance, low heat. Technical specifications: Working voltage: DC5V-12VStandby current: Less than30mA5mAWorking current: 0A-30A (maximum) / per channel.PWM mode: Duty cycle: 0-98%.Frequency: Universal motor: 16 kHz; Coreless motor: 80 kHz; TEC: 500 Hz-80 kHz.Input voltage level: low: 0-0.5 V; high: 2.5V-13V (typical unit level: 3.3V, 5V, 12V)Current sampling: CT pin output voltage (V) = current (A) x 0155Material: Metalcolour: blue Package Contents: 1 x Power module Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.