It is a new version, and there is no power switch now.
This brushless helicopter has upgrade to one main board. Do not have two eletric board like the picture below.
The function will not have a big change.
WLtoys V912 4CH Brushless Single Blade RC Helicopter With Gyro BNF
Green version is in stock,Orange version is out of stock now, coming later
Helicopter Length: 52cm
Helicopter Hight: 15.5cm
Helicopter Width: 8.5cm
Helicopter Weight: About 296g
Main Motor: Brushless
Functioin: Rise, fall, forward,backward, turn left, turn right,360 turn left side flying right side flying hover
Control Distance: About 100m
Flight Altitude: About 100m
Flying Time: About 8 Minutes
Charging Time: About 120 Minutes
Transmitter Battery: 4 x AA Battery (Not Included)
Helicopter Battery: Rechargable 7.4V 850mAh (Included)
1 x Helicopter(Body Only)
1 x 7.4V 850mAh Battery
We recommend this Transmitter:Click Here