Features:
 
Product Name: Dual USB Output 3A Step-Down Module
Input: 6V-40V DC (5.5x2.1mm port or terminal)
Output: 5V/3A (MAX) (With Identification resistance for Apple)
Efficiency: 92% (MAX)
Switching frequency: 150KHz
Operating temperature: -40 ℃~ + 85 ℃
Size: 50x35x12mm (L*W*H)
Load capacity: Maximum output 3A (with two phones at the same time)
 
 
 
Applications:

Mobile power, Mobile phones, Flat and other USB 5V power supply equipment, etc.