Features:Model NO: HDKJ D3009Size: 40* 20* 40.5mmWire Long: 320mmWeight: 60gDead zone set: 4usMax rotation angle: 300¡ã (Plug， output， remote control issue and Futaba， JR ，HITEC， compatible)Torque: 9Kg.cm. at6.0v 10Kg.cm. at7.2vSpeed: 0.16sec/60¡ãat6v，? 0.14sec/60¡ãat7.2vNO-Load Current: <500MAWorking Voltage: (4.8---7.2)VStructural material: Precision metal gear， Motor iron core， Duplex bearing£¬Square anti-interference VR.Package size: 10 * 10 * 3cm / 4 * 4 * 1.2 inPackage weight: 73g / 2.6 ozPackage list:1 * HDKJ D3009 Digital Metal Gear Torque Wide-angle Waterproof Wingless Robot Servo1 * Set of Components