This is the new technique for warship,withou antenna it work better than have antenna,thanks!

Features:
100% brand new and high quality
High-end quality material, exquisite design, safe and durable
Dual-motor operation, waterproof seal.
Equipped with twin propellers.
4 channel, go forward, backward, turn left right

Specifications:
Material: Plastic
Color: Silver Grey(Sent in random color)
Item size: Approx.37*154*61mm
Remote control size: Approx.77*165*20mm
Remote control battery: 4x AA battery
Boat battery: Built-in Li battery
Charging time: About 10-12min
Control distance: 0-10m
Wireless transmission frequency: 2.4GHZ
Functions: Forward, Backward, Turn  Left & Right

Package:
1x Remote control boat
1x English and Chinese user manual