The S500 has strong, light, and have a sensible configuration including a PCB(Printed Circuit Board) with which you can directly solder your ESC‘s to the Quadcopter. So, making the Quadcopter build fast and easy. So, it avoids the use of extra PDB(Power Distribution Board) and makes the mounting clean and neat. The S500 Quadcopter Frame is a highly flexible frame during mounting of various components like flight controller, battery, etc. Features: PCB for Model: S500 SK500 Colour: Black. Weight: 83gm. Material: PCB Plate. Package Includes: 1 x S500 SK500 Quadcopter Frame Board PCB Version. Compatible Products: – Motor suggest: 2212 KV980; 2216 KV880 KV900; 3108 900KV (not include). – Propeller suggest: 1045/1047/1147/1238 (not include). – Battery suggest: 3S-4S 2200mAh-5200mAh (not include). SKU: PGI-00189816 Category: Drone Frames