YKS CC3D Flight Controller Mini Power Distribution Board PCB for 250 Racing Quadcopter This item is a power distribution board for CC3D flight controller Suitable for 250 mini racing drone quadcopters, such as QAV250, tarot 250, ARRIS FPV 250, etc. Integrated 2-way switch to control LED and FPV devices. Control switch with LED light. Small Size: 36 x 36mm / 1.42 x 1.42 inch and light weight: 3.5g / 0.12oz