User Manual Goldair GPEBAB-Q Queen Platinum Antibacterial Electric Blanket

Yes the controllers are detachable allowing for easy storage and washing. Ensure your washing machine is big enough to accommodate the size and weight of your electric blanket and thoroughly read through and follow the washing details in the user manual.
Always make sure the blanket is completely dry before using again.

This blanket features an electronic timer that allows you to set a period of time after which the blanket will turn off. This is called a delay timer.

If you want the blanket to turn off after 1 hours, you would set the timer to 1h and when the 1 hours has elapsed the blanket will turn off. You cannot set a specific time for the blanket to turn off.