1. Steady Signal: Adopt professional for 2.4GHz_ automatic frequency hopping digital system. In addition, the ESC parameters can be set at the transmitter side. 2. 7 Channels: Lightweight and compact, it can also have up to 7 channels. for FS‑MG7 RC radio transmitter only 4.73 oz. featuring compact design, comfortable to the hand, ergonomic. 3. High Performance: In addition to the Pro mode, the transmitter also has a beginner mode. Friendly for beginner. Products include for FS‑MG7 RC transmitters and receivers for FS‑R7D. 4. One Way and Two Way Switching: The transmitter supports two communicating modes: one way and two way. Please select the appropriate communicating mode as required (two way by default). 5. Offline Prompt: When the transmitter is in two way mode, once it detects the bound receiver has turned off, or disconnected over 2S, the D1 LED will work in three flash one off mode for prompt. Spec: Item Type: RC Transmitter and Receiver Material: ABS Battery: 4 x AAA Batteries (not Included) Applicable Receivers: for FS‑R7D and Other Protocol Receivers Applicable : Car, Boat Number of Channels: 7 Wireless Frequency: 2.4GHz ISM Transmit Power: Wireless Standard: Channel Resolution: 4096 Levels Antenna Type: Built in Single Antennae Remote Control Distance: >150m (Open Ground Distance Without Interference) How to Use: Install and use. packing list: 1 x Transmitter 1 x Receiver 1 x Instruction Manual 2 x Screws Disconnect Alert: In two way mode D1 LED flashes on receiver disconnect ensuring reliability for vehicle parts and control systems. Communication Switching: One way and two way communicating modes default two way allow flexible control for various vehicles and technology. Signal System Range: 2.4GHz system with 4096 levels ensures stable smooth control and high receiver sensitivity over 150m range. Operation Modes Use: Pro and beginner modes provide fast response for racing or driving with easy install and setting for toy game use. Channels and Compatibility: 7 channels RC transmitter receiver set uses 4 AAA batteries for low power consumption with ABS material and FS R7D compatibility. Item Weight 10.2 ounces Manufacturer Sorandy Item model number Sorandy2gmz47ntkd Product Dimensions 6.69 x 6.29 x 3.54 inches Manufacturer recommended age 18 months - 3 years