Maximum spike amperage (39,000 amps) 175,000 poundsconnected equipment warranty Eight surge-protected sockets for sensitive electronics BlockSpace allows room for large AC adaptors 2 metre (6.5 ft) heavy-duty power cable Internet-ready telephone/fax protection with built-in phone line splitter for protecting two devices Surge-protected light indicates protection is functioning properly Earth indicator light lets you know the socket the unit is plugged into is properly earthed (grounded) 1544 joule energy rating provides maximum protection Includes 1.8metre (6ft) telephone cable Electromagnetic interference/radio frequency interference filtering for clean power