※ Please read the profile section before purchasing. This is a set of AC adapters (compatible products) that can be used equivalently to the AC adapter (NEC AD-IF30A and PAD-123) compatible with the PC Engine Interface Unit. Unlike the genuine AC adapter, the weight is very light, and it is a safe AC adapter that has acquired PSE certification. (Most of the other sellers' products do not have PSE certification) The specifications are as follows: Compatible models: PC Engine Interface Unit Included items: AC adapter (9V/2A, PSE certified) ・ Polarity conversion cable ・ Plug adapter (All included items are new and have only been tested for operation) How to use it is very easy. ① Plug the AC adapter into the outlet. ② Plug the DC plug of the AC adapter into the DC jack of the PC Engine Interface Unit. ③ Connect the PC Engine (white, Core Grafx, Core Grafx 2) and PC Engine CD-ROM2 to the PC Engine Interface Unit, and turn on the PC Engine. ※ ① and ② do not have to be in order. ※ Although the DC plug may be physically connected to game consoles other than the PC Engine Interface Unit, please never use it for game consoles other than the PC Engine Interface Unit. The game console may be damaged due to differences in voltage or polarity. In addition, this product can be returned if it cannot be powered on. Please read the following return conditions carefully before purchasing. ● Warranty Regardless of whether the problem is on the AC adapter side or the device side, it can be returned if it cannot be powered on. If you wish to return the product, please contact us in the comment section within 14 days of receiving the product. Please return the product by a method that allows tracking (Click Post, Yu-Packet, Special Record Mail, Letter Pack, etc.) and at your expense. You are responsible for the return shipping cost.