To save time and energy from running back and forth to unplug the cord 100 ft away. The On/Off switch provides double protection to control the harmful devices such as chain saw or lawnmower. To avoid accidentally turn on the devices. To extend the life of the extension cord. The max durable fully molded switch provides the highest safety. The newest innovation brings the better and safer life to you. Æ Cord Type: SPT-2, SJTW Cord Awg: 16/3 Current A: 10 Volts: 120