What's in the box:

DCtoDC Boost Converter Module DC2.7-5.5V to DC3.5-24V Output Voltage Adjustable Step-up Circuit Board (Standard)

Features:
DCtoDC adjustable step-up powers converter module.
Wide input voltage: 2.7-5.5V; Wide Output Voltage: 3.5-24V
Voltage is continuously adjustable, maximum output current is 6A.
The step-up circuit board is a efficiency non-isolated boost module.
This is only used for increasing the output voltage.

Specifications:
Material: PCB
Input:DC2.7-5.5V
Adjustable output: DC3.5-24V
Maximum power:30W
Maximum input current: 8A
Maximum output current: 6A
Switching erequency : 600KHz
Operating temperature: -40? to 85?
Item weight: 8g / 0.28ounce
Package weight: 12g / 0.42ounce
Package size: 45*20*15mm / 1.77*0.79*0.59in

Packing List:
1 * Boost Converter Module