DC-DC Step Up Module 3V 3.7V 4.2V to 5V 2A Rechargeable USB Boost Panel Digital Tube Display Fast Charging Module

Specifications:Input: 2.5V (MIN) - 5.0V (MAX)Output: 5V/2AEfficiency: 92%Product size: 54 x 23 x 12mmWorking temperature: -40C -85CSwitching frequency: 1MHZWork instruction: digital tube alternately displays current and voltage at 5V outputUses: charging mobile phones and other digital devices, can be used as a power supply regulatorHigh-performance imported IC with high efficiency and built-in temperature protection.Overcurrent protection short circuit protection, low voltage and low current output protection, etc.Package Included:1 x 3V 3.7V 4.2V to 5V 2A DC-DC Step Up Module