Hobbypower Round PCB Heat Bed DPA-06724 for RepRap Delta Rostock Mini 3D Printer Round PCB heatbed is the new product of Geeetech. The heatbed improves print quality, especially when printing ABS by reducing thermal warping. The diameter of the total heatbed is 215mm, and the diameter of the active heated area is 200mm. Its as the width as 1.6mm. The allow temperature is from room temperature to 120C. The heatbed can take both 12V and 24V input and the power is 144W. Moreover, it only takes 4 minutes to heat up the heatbed to 110C. Double layer PCB Red soldermask - both sides Power input: 12V or 24V Total heatbed diameter: 215mm