Multiple Pin Adapter for laptop, netbook, 5 volts tablet & mobiles testing, LCD Monitors and for other electrical equipment. The universal charger in the picture is not included however you can buy it separately. MagSafe1 and MagSaf2 connectors can be included for Macbook if required. Please contact for more information. Instruction: Please check Voltage and Amps requirement of the applying device first. The Multi Pin Adapter is not a transformer and will not alter the voltage. This adapter is designed to use for testing one device at a time but if you have to connect two devices specially for long period of time than make sure your connected power source (universal multi-volts power supply) has enough amps capacity to supply power to both.