Warmzzz Electric Blanket for Single Bed. Shock-Proof Bed Warmer with 4 Heat Settings. Merino Wool Mix Warmzzz Premium Electric Blanket (Bed Warmer) is designed with utmost consideration for safety and comfort. This under the bed-sheet warmer keeps the bed warm, allowing you a peaceful sleep even in the harshest of winter nights! Instructions for Use :Read the User Manual supplied with your Warmzzz electric blanket carefully before useUnfold the blanket and spread over your mattress smoothlyThe control unit should be near the head-side of the bed and within your easy reachCover the blanket with a bedsheet or a quilt, without exposing any portion of itConnect to the power source. For the initial few minutes, let it heat up with highest heat settingYou may let it powered on through the night or switch it off before you go to sleep, depending on your comfort need and weather conditions Note:This product is intended to keep your bed at a constant and comfortable temperature to fight cold winter nights. You may feel the blanket not as hot as you expect it to be when you touch it, but it is so designed for your safety, health and comfort