What's in the box:

2Pcs Flysky FS-A3 AFHDS2A 2.4G 3CH Receiver for GT2E GT2G Transmitter (Standard)

Flysky FS-A3 2.4G 3-channel receiver, compatible Flysky GT2E GT2G transmitter, and the best choice for RC cars and boats.

Features:
Reliable, interference free 2.4GHz AFHDS2A signal operation.
Ultra light weight design.
Easy to bind and very fast link-up.
AFHDS2A 3CH Receiver.
Compatible Flysky GT2E GT2G transmitter.
Quick and extremely stable in performance.

Specifications:
Channels: 3 Channels
Model type: car/boat
Frequency range: 2.4055--2.475GHZ
Band width: B500KHz
Band width number: 140
RF receiver sensitivity: -105dbm
Modulation: GFSK
System type: AFHDS2A
Channel definition: 4096 grade
Input power: 4.0-6.5V DC
Antenna length: 26mm
Weight: 6g
Dimension: 35 * 22 * 12mm
Color: black

Package information:
Package size: 12 * 5 * 1cm / 4.7 * 2 * 0.4in
Package weight: 32g / 1.24oz
Plastic bags

Package list:
2 * Flysky FS-A3
2 * Antenna tube
2 * Bind plug