8) Offers the functions of exponent, gyro gain and mixing ratio adjustment.
9) Configuration design complies with ergonomics.
10) The unique Height-Limit mode is a safe system specially tailored for the beginners.
11) WK-2603 owns both 6- and 4-channel modes and is completely compatible with all the helicopters radio-controlled by WK-2401/WK-2402. A new age begins, of one radio for multi helicopters.