ITEM NAME:Lightweight Aluminum Throwing Device Switch Servo Holder For RC Car Drone Boat Product Description Feature: 1. Ultra high strength, light weight. 2. Enhanced version, Can throw 4-6kg goods 3. Suitable for helicopters, multicopter, fixed-wing aircraft, robots, etc. ON and OFF is controlled by the servo, which is controlled by one channel of the remote controller. (You can use the light sensor or sound sensitive component to control the light or sound through the remote control, and link the steering gear to open or close the switch.) 4. The measured size can be equipped with standard size servo such as 996 S3003 995 946 3001 946 servo. Specifications: Material: 7075 Aluminum alloy Net weight: about 28g Fits for Standard Servo MG995 MG946R MG996R MG945 S3003 25T Package list: 1 x Aluminum Throwing Device Switch Servo Holder Note: Not included Servo!.1 x Aluminum Throwing Device Switch Servo Holder. Fits for Standard Servo MG995 MG946R MG996R MG945 S3003 25T. Note: Not included Servo! Enhanced version, Can throw 4-6kg goods. Material: 7075 Aluminum alloy.