Motor Specification: see photo 4 and 5 This motor is best with the combination of the HQ prop 4 blade: https://www.tokopedia.com/e-hely/hqprop-dt2-9x2-7x3-for-dji-avata-2cw-2ccw-poly-carbonate-carbonate If you need installation service, please contact us first for appoinment schedule at our store. User need to bring/ ship his/her DJI avata drone and controller to us. In general, it take 2-3hrs. e-Hely Kozi Coffee Kuningan Drone Cafe Jl Dogol No 36 Jakarta Selatan 12950 Thank you