What's in the box:

0-28V 0.01-2A Adjustable DC Regulated Power Supply DIY Kit LCD Display Short-circuit/Current-limiting Protection (Standard)

This is a perfectly functional DC regulated power supply DIY kit, the output voltage range is 0-28V and the output current is 0.01-2A. You can conveniently adjust the output with the encoder; and it can be also used as constant-current source.

Features:
LCD display the values, easy for reading.
Output range: 0-28V voltage and 0.01-2A current.
Adopts encoder to adjust the output, convenient for use.
Memory function: output the preset voltage and current when powered on.
With short-circuit protection and current-limiting protection.
All are through hole components, easy to install.

Specifications:
Display: LCD
Input Voltage: AC 24V (or DC 30V, change by yourself)
Output Voltage: 0-28V Adjustable
Output Current: 0.01-2A Adjustable
Stepping Value: Rotate the Encoder Fast: 0.5V, 0.05A; Rotate the Encoder Slowly: 0.1V, 0.01A
PCB Board Size: 82 * 66mm; 80 * 55mm
Package Size: 15 * 12 * 2.5cm / 5.9 * 4.7 * 0.98in
Package Weight: 165g / 5.81oz

Package List:
1 * Adjustable DC Regulated Power Supply DIY Kit