Phase alignment tool for adjusting the phase of two sound sources. - Brand: Radial - Model Name: Phazer - Type: Phase alignment tool - Accessories: Owner's manual, warranty card - Function: Can adjust the phase of two sound sources Thank you for viewing. I purchased this to address phase issues when recording drums and guitars, but I ended up not using it and kept it in storage. I only looked at the contents for the first time when taking these photos. Domestic genuine product. Although the warranty from Electori has expired, all accessories are included, including the warranty card. If you are interested, please refer to the following link for product information from Electori: https://www.electori.co.jp/radial/PHAZER.htm Please note that shipping will not be possible from June 30th to around July 3rd.