De Vielle Electric Under Blanket King. A fully tie down fleece electric blanket. It has a detachable cord for machine washing. A single detachable controller with neon power indicator light. It has 3 heat settings and an over heat protection so it can be used as an all night blanket.. 450G High Quality Polyester. Detachable Cord For Machine Washing. 3 Heat Settings. Over Heat Protection. Neon Power Indicator Light