The wireless control box, KZ616 that is compatible with DJ822, is equipped with a 29V external power adapter. It can connect with a maximum of two linear actuators, two groups of vibrating motor, one lighting lamp, two USB charging ports, and one wireless remote control which could be applied to DIY household items, like smart beds, massage chairs, functional sofas, etc.
KZ616, the wireless control box static studio consumes only 0.5W, so the power consumption is low and DC power supply is applied. It needs to be equipped with the corresponding power adapter.
https://www.hbactuator.com/control-handset