Features:

Built-in over voltage, over current, and short circuit protection.

Description: 

DC 12V 2A Switching Power Supply Adapter 
Power: 24W 
Input Voltage:  AC100V-240V 
Output Voltage: DC 12V 
Output Current: 2A
Size: 7.7*4.8*5.1cm/3.03”*1.89”*2.01”
Shell material: plastic case 
Working Temperature: 0~40'C
Storage Temperature: -20~60'C
Ambient Humidity:  0~95%