KNACRO DC-DC Converter Buck Regulator 5V-30V to 0.8-29V Constant Current/Voltage Power Supply Module 5A, LED Ammeter Voltmeter Display

Module Properties: non-isolated step-down module Rectification: Non-Synchronous Rectification Input voltage: 5V-30V Output voltage: 0.8V-29V Output Current: 5A (over 3A should enhance heat dissipation) Conversion efficiency: 95% Maximum Switching frequency: 300KHz Output ripple: 50mV (max) 20M Bandwidth Load regulation: 0.5% Voltage regulation: 2.5% Working temperature: -40 °c to +85 °c Size: 51 * 26.3 * 22 (L * W * H) (mm) LED Meters: Accuracy: 0.1% Refresh rate: about 200ms time Display: Dual 4 0.28 "digital tube Current Range: 0A-5A Voltage Range: 5V-30V Operating current: less than 15mA Display color: red Storage temperature: -10 °c to +65 °c Input impedance: 50 milliohms Package Include: 1x DC Boost Power Module+Volt Amp Meter