19G metal gear steering gear, fast and accurate response, can achieve the best control state. 2Steering gear adopts metal gears, which can withstand higher loads and the service life will be greatly increased. 3Highly Precise metal equipment, hard anodized, higher precise and longer service life. 4Simple to use, easy to install and disassemble, very convenient, small and light, easy to carry and store. 5Wide application range, can be widely used in robots, 450 helicopters, fixed wing, etc. Item Type: Servo Motors Colour: Black Product Size:Approx. 23 x 12.1 x 23.8mm / 0.9 x 0.5 x 0.9in Speed: 0.12 Seconds / 60 (4.8V) 0.10 Seconds / 60(6V) Torsion: 1.5 Kg.cm (4.8V) 1.8kg.cm (6V) Working Voltage: 4.8V-6V Working Current: 200mA / 60 No-Load Current: 100mA Plug Standard: JR Application: For RC Fixed Wing, 450 Helicopter, Robot, Etc. 4 x ServoMotors 16 x Steering Arm 20 x Screw 1. For enginedriven aircraft and s, rubber must be used to reduce vibration.2. Torsion overload will damage the servo mechanism.3. Please select the correct model according to your application.4. Keep the servo clean, away from dust, corrosive gas and humid air.