Input: 110-120v Output: 12v 0.5a With Alligator clip Power Supply Efficiency(%): =68% Operating Environment: -40°C~-85°C Operating Humidity: 5%~95%RH No-load Power: 0.2-1.2W Protection: OCP/OVP/OTP/SCP/OLP Wall Plug Type: EU/US/UK/AU/CN/JP/KR DC Cable lenght: 1M, 1.2M,1.5M,1.8M,2M,2.5M etc,as your demand DC Jack(tip): 5.5*2.1mm, 5.5*2.5mm, 4.0*1.7mm, 3.5*1.35mm, 2.0*1.7mm, Mini USB, Micro USB etc,as your demand.