Voltage regulating mode: PWM modulation Input voltage: DC 4-38V Output voltage: DC 1.25-36V Maximum current: 8A(please add fan and make current less than 5A for a long term use) Maximum power: 200W Conversion efficiency: 95% Switching frequency: 180KHz Working Temperature: -45~+85 Size: 6x3.7cm/2.36x1.46inch