6 axis gyroscope, not optical flow. Seemed stable to me though. It's been awhile since I flew it.

GoolRC C186 RC Helicopter RC Drone Single Propeller Without Ailerons 6-axis Gyro Stabilization RC Airplane Altitude Hold Girls Adults Remote Control Helicopter Toys for Boys RC Plane 3 Batteries

GoolRC C186 RC Helicopter RC Drone Single Propeller Without Ailerons 6-axis Gyro Stabilization RC Airplane Altitude Hold Girls Adults Remote Control Helicopter Toys for Boys RC Plane 3 Batteries

Q: Does this version have an optical flow sensor and is it mode 1 or mode 2?

6 axis gyroscope and mode 2 I believe. I don't buy anything mode 1.

Product ID: 738003778

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🌀6-axis gyro for rock-solid stability

🔋3 modular Li-Po batteries for extended flight

⚙️Aileronless aerodynamic propeller for smooth power

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GoolRC C186 RC Helicopter RC Drone Single Propeller Without Ailerons 6-axis Gyro Stabilization RC Airplane Altitude Hold Girls Adults Remote Control Helicopter Toys for Boys RC Plane 3 Batteries

GoolRC C186 Remote Control Helicopter Remote Control Drone Single Propeller Without Ailerons 6-axis Gyro Stabilization Remote Control Airplane Altitude Hold Girls Adults Orange

Description

🚁 Elevate your flight game with effortless control and nonstop fun!

POWER THAT LASTS - Includes 3 quick-swap Li-Po batteries for nonstop aerial adventures.
PLUG PLAY READY - Modular battery system with power indicator for fast, hassle-free setup and longer battery life.
EFFORTLESS STABILITY - 6-axis gyroscope tech ensures beginner-friendly, steady flights every time.
AERODYNAMIC PRECISION - Single propeller design maximizes lift and self-stabilization without complex ailerons.
SMART SAFETY FEATURES - Low voltage alarm, locked rotor & runaway protection keep your drone safe and sound.

The GoolRC C186 is a sleek, aileronless RC helicopter featuring advanced 6-axis gyro stabilization for smooth, beginner-friendly flying. Powered by three modular lithium polymer batteries, it offers extended flight time and quick battery swaps. Its aerodynamic single propeller design ensures strong, stable lift without complex controls. Equipped with smart safety features like low voltage alarms and rotor protection, this lightweight polycarbonate drone is perfect for teens and adults seeking reliable, high-performance remote flying fun.

Specifications

Model Number	SZW8222776909627BW
Batteries Required	Yes
Batteries Included	Yes
tech_spec_battery_description_toys	Lithium-Ion Polymer
Material Type(s)	Polycarbonate (PC)
Colour	Gray
Package Dimensions	33.1 x 26.19 x 8.71 cm; 780 g
Batteries	1 Lithium Polymer batteries required. (included)
Item model number	SZW8222776909627BW
Manufacturer recommended age	14 years and up
Manufacturer	GoolRC
Item Weight	780 g