Heating Coaster Three-Speed Adjustable Thermostatic Office Cup Insulation Base $ 7.83 $ 42.00 19% Product Information Switch mode: touch Shell material: microcrystalline panel + ABS shell Voltage power: 220V/16W Power cord length: 150cm Length X width: 130X120mm Intelligent constant temperature: around 55C Thickness: 15mm Power-off protection: 8 hours automatic power-off