Lifetime Guarantee: Digital Energy has been manufacturing quality electronic accessories since 1999! Customer satisfaction is our main priority so please don't hesitate to contact us with any questions or concerns. All DE surge products come with a Lifetime Warranty and hassle free returns!. As per fire safety guidelines, please don't use a space heater with this power strip/surge protector. Please plug your space heater directly into your power socket. Using a power strip/surge protector with a space heater can cause a fire due to the high current flow that emits from a space heater. Also not recommended for use outdoors or in wet areas. Thank you. Meets Safety Standards: ETL Listed, Conforms to UL Standard No. 1363 and ANSI / UL Standard 1449. The ETL mark is proof of this products compliance to North American safety standards. Authorities Having Jurisdiction (AHJs) and code officials across the US and Canada accept the ETL Listed Mark as proof of a product's compliance to published industry standards. Clamping Voltage 700V. 350 Joules of Surge Protection: Keep your electronics safe from power surges and circuit overload. 25 Foot, 6 Outlet surge protector power strip with lighted On/Off switch. Rated for 15 AMP / 120V / 60 Hz / 1875 Watts / 1ns response time. 14/3 Gauge Wire. Two keyhole style mounting holes in the back. ETL Listed, UL Standard 1363.