100% Polyester Wi-Fi Connected: Smart Home Compatible via voice commands through Alexa in combination with the app and features 20 Heat settings. A 1-hour PRE-HEAT feature can jump-start the warming process and auto shut-off can be set from 1-10 hours Superior Quality - Evenly spaced heating elements deliver even heat distribution throughout. Features a hotspot sensing technology to detect & automatically cool down preventing overheating and engineered to emit VIRTUALLY NO EMF radiation Dual Temperature Zone - Dual-zone capability with two controllers allows you to customize the temperature on each side. You can also control it via a smartphone app or by using voice commands through Alexa for a truly hands-free experience Product Size: 1 King Heated Blanket: King (100"W x 90"L). Comes with 2 controllers. Power cord is 6ft, controller cord is 12.5ft. Please refer to the manual for complete setup instruction. DO NOT LEAVE CONTROLLER COVERED WHEN IN USE TO AVOID OVERHEATING Safe & Hassle Free: Conveniently machine washable, simply unplug it and toss it into the wash. UL certified and independently tested to provide the highest safety standard. Superior Quality with No Recall History and confidently backed by 5 year warranty