Twist-to-Lock Safety Covers: Keep unused outlets closed. $25,000 equipment warranty. Protection Rating: 450 joules. Protected Indicator Light: Shows the surge protector is working properly. $25,000 Connected Equipment Warranty: For connected equipment warranty and instructions, see insert inside. Specifications: Electrical Rating: 120V, 15A, 1800W. Joule Rating: 450. Voltage Protection Rating: 700V (L-N). Lifetime Warranty: This Jasco product comes with a limited-lifetime warranty. Visit www.byjasco.com for warranty details and product registration. Questions? Contact us at 1-800-654-8483 between 7:30 am - 5:00 pm CST. UL listed. Made in USA.