2 Pin Wire Connection, Without Plug, International Version Bluetooth-Mesh Smart Control Powerful Signal of BT-Mesh is a upgrad basic on bluetooth. The remote control distance of 1 downlight is 100ft. Why calls it “mesh"? Because the signal of canlights nearby can touch each other. A canlight connect B canlight, B connect C, C connect D…… Each group can connect up to 64 downlights. Grouping on our APP is unlimited. It means you can connect unlimited lights by Bluetooth-Mesh. One App control multi groups, each group includes up to 64 lights. Compatible with Google Home and Echo&Alexa, Dot, Google Home Mini, ect. Go hands free with voice control. You also can dim and set color changing modes with APP. More than one Phone can control, you can control housing lighting with your families. G.