For more about this rc helicopter: Hisky HFP100

H-4Q transmitter specification
(1)Channels:4
(2)Resolution:1024
(3)Frequency:2.4 GHz ISM frequency range
(4)Modulation:GFSK
(5)Spread spectrum mode:FHSS
(6)Number of frequency channels:20
(7)Hopping rate:240 jumps/s
(8)Output power:<=20dBm
(9)Working current:<=150mA
(10)Operation voltage:1.2Vx4 NiCad/NiMH
(11)Dimensions:150mmx188mmx70mm
(12)Net weight:320g

H-4Q transmitter features
(1)Utilizes 2.4GHz Frequency Hopping Spread Spectrum(FHSS)technology
(2)Digital trim
(3)Dual rates on aileron,elevator and rudder.
(4)Low voltage warning

Product Description:
Item Name: Hisky HFP100 FBL90 4CH Flybarless 3 Axis Gyro RC Helicopter H-4Q RTF
Brand: Hisky
Item No: HFP100 FBL90
Length: 200mm
Height: 80mm
Weight: 35g
Main Rotor Diameter: 204mm
Tail Rotor Diameter: 36mm
Battery: 3.7V 180mAh 15C

Hisky HFP100 assembled 2.4GHZ FHSS receiver, main motor, tail motor control and electronic variable-axis gyroscope in a multifunctional main control panel, CCPM swashplate is adopted equal to the main control board separate bare linear servo screw direct drive, with low weight, space-saving, maintenanceĀ  or assembly is simple etc.

The advanced flybarless design, reducing its resistance of the rotor head, and improves the stability of the body under the precise three-axis gyroscope complement independent control,and using flybarless main rotor head design style CCPM fixed pitch, by rotation by the larger area to produce a strong and rapid steeringĀ  response.

You can control the HFP100 with WLtoys V944 Transmitter ,this transmitter is also suitable for WLtoys
v922,v933,v944,v955,Hisky FBL70 FBL80 FBL90 FBL100.
The same, if you have a Hisky CY-400 or X-6 transmitter, you can also control HFP100.

Package Included:
1 x Hisky HFP100 RC Helicopter
1 x USB Charger
1 x Main Blade
1 x Tail Motor
1 x H-4Q Transmitter
1 x Rotor Head Rotation Set
1 x 3.7V 180mAh 15C Battery
1 x Manual