DC DC buck module 5V-30V to 0.8V-29V 5A Constant Current/Voltage Battery Charging Module
DC DC 5V-30V to 0.8V-29V 5A Constant Current Voltage LED Driver Step-Down Power Module

Features:

Module Properties: non-isolated constant current and voltage module
Rectification: non-synchronous rectification
Input voltage: 5V-30V
Output voltage: 0.8V-29V
Output current: adjustable maximum 5A
Conversion efficiency: 95% (the highest)
Switching frequency: 300KHz
Output ripple: 50mV (max) 20M bandwidth
Load Regulation: ± 0.5%
Voltage Regulation: ± 2.5%
Operating Temperature: -40℃to +85℃
Size: 51 * 26.3 * 20 (L * W * H) (mm)

Voltmeter Ammeter:

Measurement accuracy: 0.1%
Refresh rate: about 200ms / times
Display: 0.28"digital tube
Current Range 0A-5A
Voltage range 5V-30V
Display Color Red
Storage Temperature:-10℃ to +65℃
Input impedance: 50 milliohms

Package includes:
1 x  5A power Module