This slim table heater features a 90W energy-saving design and a 3-hour OFF timer. - Model Name: KREO KH1800 - Power: 90W - Timer Function: 3-hour OFF timer - Size: Heater surface is 5cm x 20cm - Installation: Easy installation with strong magnets - Design: Slim and space-saving Thank you for viewing. It seems you can attach it to the underside or side of tables, desks, etc. I have purchased multiple similar items and am now selling them.