•Innovative temperature-sensing ring, when the temperature reaches 45℃, the vermilion of the temperature-sensing ring will transform into a conspicuous red to remind users to pay attention •With three temperature control settings (55/65/75℃), the cup coaster allows you to adjust the temperature according to your preference for keeping your beverages warm •Equipped with a safety switch, the cup coaster offers protection against dry burn and prevents overheating, ensuring safe and worry-free us •The cup coaster incorporates intelligent chip control technology that automatically shuts off after 8 hours of continuous use, conserving energy and enhancing safety •The cup coaster is compatible with various cup sizes, allowing you to warm a wide range of beverages and ensuring versatility in its usage Specifications: •Input power: 25W •Input voltage: 220V •Rated frequency: 60Hz •Product size: 133 x 103 x 27mm •Product weight: 232g •Timing function: ≈8h •Heating temperature: 1st gear ≈75℃, 2nd gear ≈65℃, 3rd gear ≈55℃ Note: The intelligent version has three temperature adjustments (55/65/75℃) and intelligent digital display, while the standard version only has a constant temperature of 75℃ and no digital display. Package included: •1 x Mug Heater Coaster •1 x CN Standard Plug Adapter •1 x EU Plug Adapter •1 x English and Chinese User Manual •Other items not include