This original Walkera Runner 250 quadcopter parts feature high quality and durable performance， which is the best choice for you to enjoy more flying joys.Features:Easy to install.100% Brand New.100% Original Walkera brand.High quality and durable in use.Light weight and protable to carry.Made of good and new technology material.Specifications:Brand name: WalkeraBrand model: Runner 250-Z-16Item name: Brushless ESCSuit for: Walkera Runner 250 QuadcopterItem dimension: 55 * 20 * 10mmItem weight: 9.3gPackage information:Package size: 12 * 9 * 2cm / 4.7 * 3.6 * 0.8inPackage weight: 22.2g / 0.8ozBlister packagePackage list:1 * Runner 250-Z-16 Brushless ESC (CW)