ZTW black widow 2208 2100KV brushless motor, with integrated 18A ESC for saving weight and space on quads. No more hassle and headachewith soldering or wiring. With this powerful combo, building a nice and clean quad will no longer a engineer skill. We believe this is a perfectmatch to your need on FPV racing and entertainment.<br><br><br><br><br>Features:<br>Low internal resistance.<br>Fast and instant response.<br>Patented balance techniques.<br>High-torque and high-efficiency.<br>2 in 1 motor electric speed control (ESC).<br>2208 2100KV motor with integrated 18A ESC.<br>High purity copper windings maximizes efficiency.<br>Precision engineered for maximum energy conversion.<br>Suit for QAV250 ZMR 250 FPV Racing Drone Quadcopter.<br><br>Specifications:<br>Brand: ZTW<br>Motor KV: 2100KV<br>Poles: 12N 14P<br>Resistance: 0.0403Ω<br>Max watts: 220W<br>Stator diameter: 22mm<br>Stator thickness: 8mm<br>Rotor diameter: 27.5mm<br>Shaft diameter: 5mm<br>ESC continuous current: 18A<br>ESC burst current: 28A<br>BES output: NO<br>Input voltage: 2-4S LiPo battery<br>Recommend prop size: 5-6in<br>Programmable: Yes<br>RX wire length: About 180mm<br>Weight: 43g/pcs<br><br>There may be some deviation due to manual measurement.<br><br>Package Information:<br>Package size: 12 * 9 * 7.6cm / 4.7 * 3.5 * 3.0in<br>Package weight: 274g / 9.6oz<br>Poly bag package<br><br>Package List:<br>2 * ZTW Black Widow 2208 2100KV CCW Motor<br>2 * ZTW Black Widow 2208 2100KV CW Motor<br>1 * English manual and Tool Set