XKJ K21 MAX WiFi FPV Drone with LCD Screen Controller, HD Dual Camera, Servo Gimbal, Optical Flow Positioning: Built-in LCD screen for real-time flight viewing

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WiFi FPV Drone with LCD Screen Controller, HD Dual Camera, Servo Gimbal, Optical Flow Positioning — Drone, XKJ

For the beginner pilot who wants to capture smooth aerial footage without the complexity, the XKJ K21 MAX is your ideal starter drone. While many focus on raw performance, this model excels at making FPV flying accessible and fun for family outings or backyard adventures.

Its dual cameras and servo gimbal deliver surprisingly stable 480P video, so you can film your kids playing or scenic views without shaky results. The built-in 4.3-inch LCD screen on the controller lets you watch the flight in real-time, eliminating the hassle of connecting a phone mid-flight. With optical flow positioning, it hovers steadily indoors, making it perfect for practicing in your living room on a rainy day.

Features like one-key takeoff and foldable design mean you can pack it quickly for trips. Enjoy up to 15 minutes of flight time and intuitive controls that help you focus on the experience, not the setup.

Features

HD dual camera with servo gimbal and EIS stabilization
Optical flow positioning for stable hovering
2.4G WiFi FPV with 15-30m range
Foldable design for portability
Brushless motors for improved performance
Built-in LCD screen for real-time flight viewing

Model

K21 MAX

Color: Black

General specs

Brand: XKJ
Model: K21 MAX
Seller: Banggood
ID: 2045721
Gyro: 6 Axis
Channels: 4CH
Fpv Type: 2.4G WiFi
Features: Built-in LCD screen for real-time viewing, Supports mobile phone WiFi APP viewing, Dual camera: front wide-angle HD WiFi and bottom HD optical flow lens, Servo gimbal for stability, EIS electronic image stabilization, Horizontal, vertical, and overhead shooting modes, Fixed height function with optical flow positioning
Frequency: 2.4G
Materials: Plastic, Metal, Electronic Components
: XKJ
Motor Type: 1503 Brushless
Flying Time: 8-15 mins
Distance Fpv: 49.21-98.43 feet
Model Number: K21 MAX
Package Size: 10.35 x 8.03 x 3.58 inches
Charging Time: About 40 mins
Flight Height: 98.43 feet
Battery Weight: 1.02 ounces
Package Weight: 1.48 pounds
Takeoff Weight: 5.22 ounces
Camera Resolution: 480P
Battery Quadcopter: 3.7V 1000mAh LiPo
Control Mode Remote: Mode 2 (Left Hand Throttle)
Remote control battery: Built-in Rechargeable LiPo Battery
Adjustable Angle Camera: 90°
Remote control distance: 262.47-328.08 feet
(Folded) Quadcopter Size: 6.10 x 4.33 x 3.15 inches
(Unfolded) Quadcopter Size: 11.02 x 6.50 x 3.15 inches
Control Remote Screen Size: 4.3 inch
First listed by seller: 2/23/26

If you are interested in more details, you can find full information on the seller's page.

View on seller's site #publicidad

$55.32

Last price update: 2/24/26

Available to order

Price History for seller Banggood

Date	Price
2/24/26	$55.32
2/23/26	$55.02

Shipping options

Delivery to

United States

Available

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	XKJ K21 MAX Black Built-in LCD screen for real-time flight viewing	YLR C S186	PJC M6S Grey WiFi FPV with 4.3-inch LCD screen	JJRC H139 PRO Grey	WiFi FPV Drone with LCD Screen Controller Black Carbon Fiber Pattern	ZHRC Z105 4.3-inch LCD screen controller with no delay
Brand		YLR/C	PJC			ZHRC
Model		S186	M6S		AE4 PRO	Z105
Color	Black		Grey	Grey	Black Carbon Fiber Pattern
Rating	(0)	(0)	(0)	(0)	(0)	(0)
Price	$55.32	$55.32	$65.37	$57.33	$29.17	$50.28
Seller	Banggood	Banggood	Banggood	Banggood	Banggood	Banggood
Update	Feb 28, 2026	Feb 25, 2026	Feb 28, 2026	Feb 28, 2026	Feb 28, 2026	Feb 28, 2026
Gyro	6 Axis		6 Axis		6 Axis	6 Axis
Channels	4CH	4CH	4CH	4CH	4CH	4CH
Fpv Type	2.4G WiFi	2.4G WiFi	2.4G WiFi	2.4G WiFi		WiFi FPV
Features	Built-in LCD screen for real-time viewing, Supports mobile phone WiFi APP viewing, Dual camera: front wide-angle HD WiFi and bottom HD optical flow lens, Servo gimbal for stability, EIS electronic image stabilization, Horizontal, vertical, and overhead shooting modes, Fixed height function with optical flow positioning	5.9-inch LCD screen with no delay, WiFi connectivity for app/APK control, 360° infrared obstacle avoidance, Optical flow hover stabilization, Brushless motor for wind resistance, Draw flight path for autonomous flight, Waypoint flight planning	Fully surrounded propeller safety design, Foldable pocket drone, Mini size, Built-in screen for real-time FPV, Screen can be used as standalone children's camera, Altitude hold mode, Three-sided sensor obstacle avoidance, Electric lens adjustment (90° upward shooting), Optical flow fixed point positioning, Headless mode, One-key return function	Upgraded 5G remote control with large LCD screen, Obstacle avoidance with 360° rotation detection, ESC HD camera with 90° remote control of lens angle, 2.4G WiFi function with APP/APK connectivity, Optical flow fixed point hover, Surround action for circular flight, Headless mode	Upgraded remote control with LCD screen, No-delay image display, Fast transmission, WiFi connection to APP/APK, Photo/video capture, Real-time transmission to phone, Optical flow fixed-point hover, Stable flight, Large capacity battery, Better wind resistance, Low noise, Powerful output	Upgraded 5G remote control with 4.3-inch LCD screen, WiFi connection to APP/APK for photos/videos/real-time transmission, 360° infrared obstacle avoidance, Optical flow fixed-point hover, Large capacity battery for up to 12 minutes flight, Brushless motor for wind resistance, low noise, powerful output, Flight path drawing on screen
Frequency	2.4G	2.4GHz	2.4G	2.4G	2.4G	2.4G
Materials	Plastic, Metal, Electronic Components	Plastic, Metal, Electronic Components		Plastic, Metal, Electronic Components	Plastic, Metal, Electronic Components
Motor Type	1503 Brushless	1503 Brushless Motor	1503 Brushless Motor	Brushless	Brushless	Brushless
Flying Time	8-15 mins	12-15 minutes	10 minutes	About 12 mins	About 10 minutes	About 12 minutes
Distance Fpv	49.21-98.43 feet	164-262 feet	131-164 feet	50m		328.08 feet
Package Size	10.35 x 8.03 x 3.58 inches	10.24 x 4.33 x 8.07 inches		10.31 x 3.78 x 8.11 inches	9.45 x 3.15 x 7.09 inches (24 x 8 x 18cm)	6.69 x 5.71 x 6.65 inches
Charging Time	About 40 mins	60-80 minutes	About 100 minutes	About 120 mins	About 50 minutes	50 minutes
Flight Height	98.43 feet		98 feet	About 30m
Battery Weight	1.02 ounces	0.097 lbs			0.0595 lbs (27g)	0.07 lbs
Package Weight	1.48 pounds	1.642 lbs	1.60 lbs	1.72 lbs	0.992 lbs (450g)	1.38 lbs
Takeoff Weight	5.22 ounces	0.388 lbs	0.36 lbs	0.47 lbs	0.344 lbs (156g)	0.34 lbs
Camera Resolution	480P	480P HD	480P	480P	480P	480P HD
Battery Quadcopter	3.7V 1000mAh LiPo	3.7V 1600mAh LiPo	3.7V 1300mAh Lipo	3.7V 2000mAh Lipo	3.7V 2000mAH LiPo	3.7V 920mAh Lipo
Control Mode Remote	Mode 2 (Left Hand Throttle)	Mode 2 (Left Hand Throttle)		Mode 2 (Left Hand Throttle)	Mode 2 (Left Hand Throttle)	Mode 2 (Left Hand Throttle)
Remote control battery	Built-in Rechargeable LiPo Battery	Built-in 3.7V 1500mAh Battery	Built-in 3.7V 500mAh Battery	Built-in 3.7V 500mAh Lipo Battery		Built-in 3.7V 800mAh Battery
Adjustable Angle Camera	90°	90°		90°	90°
Remote control distance	262.47-328.08 feet	328 feet		50-100m	About 492 feet (150m)	492.13 feet
(Folded) Quadcopter Size	6.10 x 4.33 x 3.15 inches	8.66 x 2.64 x 2.56 inches		3.86 x 6.26 x 3.19 inches	3.27 x 5.55 x 2.09 inches (83 x 141 x 53mm)
(Unfolded) Quadcopter Size	11.02 x 6.50 x 3.15 inches	11.02 x 11.02 x 2.64 inches		10.91 x 11.18 x 3.19 inches	9.65 x 9.65 x 2.09 inches (245 x 245 x 53mm)
Control Remote Screen Size	4.3 inch	5.9 inches		4.3 inch