The slave LED dimmer is designed exclusively for use in combination with the master-slave dimmer set. This is the first slave dimmer that does not require any additional wiring, so you can easily make a two-way switch. It also works without a null cable, which makes installation even easier. For a beautiful finish, you can combine the slave LED dimmer with cover materials of all well-known brands, including the V1, J1, D1 or E1 series from ION INDUSTRIES. Easy installation and user-friendly