Please Read Before Purchase The MK2 RTF (Ready-To-Fly) version does not include batteries for the remote control. This version features a built-in ELRS receiver and includes an ELRS-compatible transmitter. It cannot bind to older OMP/FUTABA protocol M1 or M2 series helicopters. The MK2 RTF helicopter can be made compatible with popular radios such as FUTABA, SPEKTRUM, and FRSKY, but you must purchase the corresponding brand-specific receiver separately. This is a professional-grade RC helicopter and is not suitable for children or beginners. RTF Package Includes: 1 × RC Helicopter (Battery pre-installed) 1 × Remote Control (18350 batteries not included) 1 × EEP Box 1 × Bluetooth Module 1 × Swash Plate Leveller 1 × Receiver Adapter Several Spare Parts Transmitter Battery Requirement Compatible with RadioMaster Zorro Transmitter Requires 2 × 18350 batteries (not included) We recommend: 3.7V 900mAh 18350 batteries (2pcs) for best performance
