1.MKS UPS24V can only be used compatible with DC24V power.2.Motherboard needs to use Marlin2.0 firmware with 12864/2004 LCD screen.3.Temporarily does not support compatible with MKS Robin series (except compatible with Robin E3/E3D) and MKS TFT screen.4.MKS UPS24V modules detect external AC power supply.Working process:1. When AC power supply is cut off, the MKS UPS detects it and send signal to motherboard;2. The power stored in the MKS UPS and PSU continues to supply power to the motherboard;3. Motherboard detects the power-off signal, stop printing, turn off hotbed and hotend, lift z axis;4. The power stored in MKS UPS is generally lift z axis 20mm-200mm;5. When power supply is restored,resume printing through the 12864/2004 LCD screen.colour: blackMaterial: ABSPackage Contents:1 x MKS UPS 24V module2 x Power cable1 x 3pin motherboard link lineOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.