KO PROPO introduces Kustomize It Yourself (K.I.Y.) an interchangeable transmitter. The concept of the new K.I.Y. brings simplicity to customizing and upgrading wi thin a modular system. The new transmit ter is composed of 3 modular units: Steering, Throttle and Master units. The three separate modular units can be eas i l y put together, no s crews required. Just push the safety lock of the joint, pull the lever and pull or push to insert or remove the modular unit. It’s that simple! You can use the K.I.Y. to unlock your next system and bring more enjoyment to your hobby.