All Metal Construction: Features stainless steel gears and a fully CNC machined aluminum alloy casing, providing low noise operation and design. Equipped with double ball bearings. High Voltage Capability: Supports high voltage up to 8.4V, recommended for use with 2S batteries, with a working voltage range of DC 4.8 to 8.4V, high operational efficiency. High Servo: With a maximum of 85KG at a high operating voltage of 8.4V, this waterproof steering servo is capable of handling heavy loads. 180 Degree Control Angle: Incorporates a precise potentiometer, offering advanced linearity and accuracy. With a signal range of 500 to 2500 uSec, the maximum control angle for this servo is 180°±1°. Item Type:RC Digital Servo Set Weight:. 114g/4.0oz Servo Size: . 40x20x41mm/1.57x0.79x1.61in Working Voltage:DC 4.8 to 8.4V Stall:85kg.cm (7.4V) Operating Speed:0.1sec/60° (7.4V) Operating Angle: 180° Application:Suitable for 1/10, 1/8, 1/5 RC Car, RC Robot, etc. Colour:As Shown Material:Composite Materials Package Contents: 1 x RC digital servo 1 x 25T adjustable metal servo arm 1 x accessory bag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.