Micro Servo type SG90 is rated 1.5KG and operates on 3 to 5V. Has 25CM connecting cable with 3 slot female connector. Size is 29 x 12 x 23mm. Weighs 9 grams and has white nylon gear. Comes with arms and screws. Found in many small drones, RC cars, robots, actuators, etc. Brand new!