Features: Experience smooth control with our multiple frequency receiver, offering option like F04A, F06A, and F08A to ensure compatibility with various remote models and enhances your Remote Control experience. Advanced reception technology, this receiver provides strong stability and interferences resistance. Easy installation with a simplifies wiring design for quick setting. This product to model aircraft, car, and Boats hobbyists and reliable components for their projects. Perfectly for outdoor flying, and water activity, this small receiver fit effortlessly into any model, allowing you to enjoy remote control in diversed environment. Specifications: Product model: F-04A Number of channels: 4 Wireless frequency: 2.4GHz Working current: 20mA Receiving distance: 300-800m Return message: signal [50m] Input voltages: DC4V-9V Appearance size: about 32x18x13mm or 1.26x0.71x0.51in Tuoluoyi: None Product weight: 5g Application type: car or Boats or plane Product model: F-06A Number of channels: 6 Wireless frequency: 2.4GHz Operating current: 35mA Receiving distance: 300-800m Return information: signal or voltages [300m] Input voltages: DC4V-9V Return voltages: 0-27V [300m] Appearance size: 38x24x13mm or 1.5x0.94x0.51in Tuoluoyi: None Product weight: 7.4g Application type: car or Boats or plane Product model: F-08A Number of channels: 8 Wireless frequency: 2.4GHz Operating current: 35mA Receiving distance: 300-800m Return information: signal or voltages [300m] Input voltages: DC4V-9V Return voltages: 0-27V [300m] Appearance size: about 43x24x13mm or 1.69x0.94x0.51in Tuoluoyi: None Product weight: 9g Application type: car or Boats or plane or Note: Due to problem of lighting effect, there might be tolerances in product, please understand. Please allow 1cm errors due to measurement. Package includes: 1PC Receiver