8key Controller specification (CL-C1203) Feature: 1. Remote function 2. Memory the using information 3. Having 11 Kind scene 4. Easy to connect Key Specification KEY1: ON/OFF (All modes are Valid) KEY2:)Pause(it is valid in gradual change model) KEY3: Increase speed (it is valid under Auto change model ) KEY4: decrease speed (it is valid under Auto change model ) KEY5:Increase Brightness(it is valid under single color and auto change models) KEY6: :Decrease Brightness(it is valid under single color and auto change models) KEY7:Adjust change of single color KEY8:Adjust auto change connection: 12V\GND mark connect positive and negative of power. R.G.B connect the signal wire of lighting source. 12V connect the positive of lighting source. parameter: Input voltage DC 12V, Max output current is 12A/channel.Do advice 8A/channel