Andoer Wltoys V966-011 Servo for Wltoys RC Helicopter V966 V977 V988 V930 Part Good product with high quality material. With stable performance, it is practical and durable. Fine workmanship and perfect style. Fashionable design, match with your quadcopter perfectly. It can help your quadcopter fly much higher and quicker, more secure. Easy to install and convenient to use. Designed for Wltoys V977 V966 V930 V988 RC Helicopter.