Price is for 1 self adapt power distribution board #DBsfLightUp Easy® systemApply correct voltage and current to LED lights and bulb lights automatically, no need of resistors soldering;with on board dimmers and distance dimmer connectors, can adjust light brightness from far away;one board may support up to 12 lights, and easy expansion; provide screw free terminals, no need of screw drivering;wide input voltage ( 3V to 24V AC or DC ), no input current limit;output 3V DC for LED lights or direct output for bulb lights; output current self adapt;support bulb type lights also, support LEDs, SMD LEDs or SMD/LED lights.convenient for lights distribution....