Simply plug this product into an outlet to protect against lightning strikes for both power and two communication lines. * 1500W * Equipped with a surge protector with a large withstand capacity Operation has been confirmed. Operation was confirmed before listing, and no particular problems were observed. Outlet: OK Telephone line: OK The main unit only. No accessories such as instructions are included. Everything in the first photo is included. (Cables for operation confirmation are not included) This is a used item, so there are scratches and dirt. There are fine scratches, marks, and dirt on the surface of the main unit. There is a sense of use, so please understand that this is a used item before purchasing. Please check the photos for details. Please consider purchasing if you understand that this is a used item. Shipping is planned via Yu-Pack Mini. Please be aware of this. The Thunder Cut "A-2" is a lightning protection device that protects information equipment such as telephones and business phones from abnormal voltage and current caused by lightning strikes. It is designed for devices that use analog lines and is a model for two analog lines (MJ connection type). Main Features Lightning surge protection device for 2 analog lines Protects equipment from abnormal voltage and current caused by lightning strikes Easy to install with MJ (modular jack) connection type Supports AC100V power supply and suppresses power line surges Ideal for protecting business phones, fax machines, modems, etc. Specifications Item: Thunder Cut "A-2" Application: For 2 analog lines (MJ connection) Applicable Power Supply: AC100V 50/60Hz Service Outlet Rating: AC100V 15A (total) Insulation Resistance: 50MΩ or more (between communication line and ground, between communication lines, between power line and ground) Suppression Voltage: Communication line - ground: 500V or less Between communication lines: 500V or less Power line - ground: 1.5kV or less Between power lines: 1.5kV or less Power line - communication line: 2kV or less AC Power Connection: 2-pole power plug Line Connection: MJ connection Body Dimensions: 56 × 32 × 90 mm What situations is it used in? Business phones Fax machines Modems Multi-function devices Other information equipment that uses analog lines It is installed to protect these from lightning surges.