V912 outdoor 4CH Single Blade RC Helicopter Remote Control airplane

Features:
Mode 2 Transmitter Setup
2.4ghz Radio System
Transmitter can be used for V911, V929, V939, V949
Li-Po powered for increased power and flight time
Large rotor diameter is inherently more stable
Extra Tail Blade
Extra Main Blades

Specifications:
Main rotor diameter: 15.7"
Tail rotor diameter: 5"
Remote distance: about 100m
Flight altitude: about 100m
Flying time: about 6-7 minutes
Charging time: about 120 minutes
Transmitter battery: 4 * AA Battery (not included)
Helicopter battery: Built-in 7.4V 850mAh (rechargable)
Package size: 50 * 25 * 14cm / 19.7 * 9.8 * 5.5in
Package weight: 1390g / 3.1oz