Description: Heating table and aluminum substrate into one, better temperature stability. MK3 can choose 12v and 24v two voltage, more practical Aluminum plate process The new version of the circuit, whether connected 12V or 24V the power are stable. Specification: Voltage: 12/24V Size: 220x220x3mm MK3 can choose 12 v and 24 v two voltage, 12 V: one line thread cross 1, another cross 2, 3 24 V: one line thread cross 2, another cross 3 (1 don't need to pick up). The new circuit, whether meet the 12 v or 24 v, the power is stable. Package Includes: 1 Piecex3D Printer Heat Bed