Specification: Features: _x000D__x000D_It checks to the voltage on all wires to ensure that the power supply is functioning properly. _x000D_An essential tool for any computer technician. _x000D_Allow you to quickly diagnose or rule out problems with the power supply, which should the the first thing you check when diagnosing computer problems. _x000D_Easy to use, just plug in connectors and green LEDs illuminate to show which pins are getting power. _x000D_There is a detailed operation on the product. _x000D__x000D_Specification:_x000D_Connector: Floppy, HDD, CDROM, SATA, 4 pin(P4), 8 pin(Dual CPU), 6 pin(PCI-Express)_x000D_Voltage Source: 20/24 pin(ATX-connector)_x000D_Material: Sturdy plastic _x000D_Color: Black_x000D_Package Weight: 71g_x000D_Quantity: 1pc_x000D__x000D_Package included:_x000D_1 x Power Supply Tester_x000D__x000D__x000D_Note:_x000D_Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Features: 1It checks to the voltage on all wires to ensure that the power supply is functioning properly. 2An essential tool for any computer technician. 3Allow you to quickly diagnose or rule out problems with the power supply, which should the the first thing you check when diagnosing computer problems. 4Easy to use, just plug in connectors and green LEDs illuminate to show which pins are getting power. 5There is a detailed operation on the product. PackageList: