Key Features 8 channels. FHSS frequency-hopping spread spectrum protocol. Full range capability. Servo reverse on all four primary controls. Supplied with R8EF 8-channel receiver. Supports R8FM 8-channel mini S-Bus receiver. Proportional sliders to channels 6 and 8. One two position and one three position switch. Wireless trainer compatibility (with optional R8FM module). Wide (4.8 to 18V) voltage range input (AA dry cell or 2S / 4S LiPo compatible). Transmitter low voltage battery warning. Sturdy metal carry handle. Digital trims. PWM, PPM & S-BUS compatible. Comfortable ergonomic design. Integral antennae. Programmable via Apple and Android smartphone app. Standard Programming Features Servo reverse. Sub trim. End point. Fail-safe. Delay. Tx alarm. Programmable mixing. V-tail mix. Elevon mix. Dual rate. What's in the Box 1x T8FB-BT 2.4GHz 8-channel transmitter. 1x R8EF 8-channel receiver. 1x Throttle stick spring retainer. 1x Instruction manual. Product Description