This module adopts 12864 graphical display with large information content. It has over temperature protection, overload protection and over pressure protection functions. 

Features: 
Adopts 12864 graphical display, large information content. 
High quality dc-dc module with transparent shell, ultra stable for use. 
Over temperature protection, overload protection and over pressure protection. 
Display the voltage, current, power, capacity and time. 
With analog display. 
Wide input voltage for various use in different environment. 
Strong loading capacity, can work for a long time with high current. 
Up to 9 capacity records. 
Single button operation, short press the screen for rotating 180°, fitting for use in different directions. 

Specifications: 
Display Screen: Digital 128*64 LCD 
Operating Temperature: 0~40°C  
Storage Temperature: -30~60°C  
Working Altitude: 0~2000m 
USB Port: 8 Ports 
Input Interface: DC 5.5 2.5 Plug Input  
Input Voltage Range: 9~30V 6A 
Output: DC 5V 6A 
Working Current: Static Working Current 30mA 
Item Size: 11 * 4 * 2.8cm / 4.33 * 1.57 * 1.1in 
Item Weight: 96g / 3.41oz 
Package Size: 15 * 10.5 * 3cm / 5.9 * 4.13 * 1.18in 
Package Weight: 100g / 3.53oz 

Package List: 
1 * 8 Ports USB Charger Module