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Description
Happymodel Crux35 Analog ELRS V2 2.4GHz 4S with Caddx Ant Camera Micro Freestyle FPV Drone - BNFCRUX35 is an ultra lightweight 3. 5Inch FPV Freestyle FPV Racing Drone, the weight of the whole drone is only 87g for the analog version. The Crux35 drone uses Happymodel EX1404 high efficiency motor and HQPROP 3. 5 inch three blade propeller to ensure the largest thrust to weight ratio under the most efficient premise, which can bring you a smooth Freestyle flying experience. The analog version is equipped with CADDXFPV Ant ant camera. The receiver
CRUX35 is an ultra-lightweight 3.5Inch FPV Freestyle FPV Racing Drone, the weight of the whole drone is only 87g for the analog version. The Crux35 drone uses Happymodel EX1404 high-efficiency motor and HQPROP 3.5-inch three-blade propeller to ensure the largest thrust-to-weight ratio under the most efficient premise, which can bring you a smooth Freestyle flying experience.
The analog version is equipped with CADDXFPV Ant ant camera.
The receiver version is the UART ExpressLRS ( SPI version is discontinued )
Recommended (Not Included): Battery 4S 14.8v 750mAh to maximum 1100mAh.
You can choose from our Compatible 4S Lipo Packs here
Check out The HappyModel Crux35 Frame and Parts Collection, all our Analog BNF Drones and the rest of our Happymodel Products!
Features
- Ultra-lightweight 3.5-inch BNF FPV Freestyle Drone
- Integrated ExpressLRS UART receiver
- High efficiency EX1404 power system
- Can be equipped with Naked Gopro or SMO4K
- Support 3-4S battery 4S 750mah battery is recommended, maximum support 4S 1100mah
Specifications
- Wheelbase: 150mm
- Weight: Crux35 87gram
- Size: 130mmx130mmx45mm(without propellers)
- Receiver: UART ExpressLRS 2.4GHz
- Caddx Ant Camera +OVX303 or OVX306 VTX
- Flying time: 9min~15min 4s 750mah battery
Motor
- Model: EX1404
- KV options: KV3500
- Configu-ration:9N12P
- Stator Diamter:14mm
- Stator Length:4mm
- Shaft Diameter: Φ1.5mm
- Motor Dimension(Dia.*Len):Φ15mm*15mm
- Weight(g):9g
Propellers
- Propeller Diameter: 3.5 inch
- Pitch : 2
- Blades : 3
- Material : Poly Carbonate
- Weight : 1.5g
- Hub Diameter : 10mm
- Hub Thickness:4.7mm
- Shaft :1.9/1.5/1.9mm
- Adaptor Rings : NO
Flight controller
- (UART ELRS Version)
- CrazybeeF411 ELRS
- MCU:STM32F411CEU6 (100MHZ, 512K FLASH)
- Sensor: ICM42688P or BMI270 (SPI Control)
- Mount pattern: 25.5×25.5 M2
- Size:32*32*5mm
- Power supply: 2-4S Lipo battery
- Built-in 20A Blheli_s ESC each
- Built-in Betaflight OSD(SPI Control)
- Built-in UART ExpressLRS 2.4GHz receiver
- Built-in 5V 1.5A BEC
- Flight controller firmware target: CRAZYBEEF4DX
Onboard 4in1 ESC
- MCU upgraded to EFM8BB21
- Power supply: 2-4S LiPo/LiPo HVCurrent: 12A continuous peak 15A (3 seconds)
- Support BLHeliSuite programmable
- Factory firmware: F-H-40
- Default protocol: DSHOT300
Onboard UART ExpressLRS 2.4GHz Receiver
- Packet Rate option: 25Hz/50Hz/150Hz/250Hz/500Hz
- RF Frequency: 2.4GHzAntenna plug: IPEX
- Telemetry output Power: <12dBm
- Receiver protocol: CRSF
- Default firmware version: ExpressLRS V3.0.1
(Analog version)
Caddx ANT 1200tvl camera
- Image Sensor: 1/3″ CMOS Sensor
- Horizontal Resolution: 1200 TVL
- TV System: NTSC or PAL
- IMAGE: 16:9 or 4:3
- Synchronization: Internal
- Electronic Shutter: PAL: 1/50~100,000; NTSC: 1/60~100,000
- S/N Ratio : >52dB (AGC OFF)
- Video Output: CVBS
- Lens: 1.8mm
- Min. Illumination: [email protected]
- Auto Gain Control: YES
- BLC: YES
- WDR: Global WDR
- DNR: 3D DNR
- Dimensions: 14*14mm(with bracket to 19*19mm)
- Wide Power Input: DC 3.7-18V
- Work Temperature: -20℃~+60℃
- Weight: 2g (N.W.)
OVX303/306 5.8Ghz VTX
- Model: OVX303/306
- Frequency: 5.8G 40CH
- Transmitting Power: 0/RCE/25mw/100mw/300mw
- Power supply: DC 5V
- Current (5v): <650ma (300mw)
- Weight: 1.5gram without antenna
Package Includes:
- 1 x Crux35 Frame
- 1 x CrazyF411 ELRS FC with UART ELRS
- 1 x Caddx Ant Camera
- 1 x Happymodel OVX303/306 5.8G analog VTX
- 4 x Happymodel EX1404 KV3500 brushless motor
- 1 x HQProp T3.5X2X3Grey (4cw+4ccw)
- 1 x Screw Driver
- 1 x Buckle Velcro for battery
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 4
Awesome, portable room divider for larger rooms
Color: Black, Color: Black
I chose this room divider to use in my son's room that also serves as my home office! It is 72" x 72" in size, so it truly blocks out the other side of the room for optimal privacy. Once it's assembled, it's mildly sturdy - as long as you can bet both ends with the "feet" in line with the ground. I wish that the framework poles had more of an interlocking system so that the divider was easier to erect. I assembled this on carpet, so I had some issues getting the divider to stop moving. It takes a lot of work to set up, as it is massive, so definitely have someone help you. I would suggest adding weights of some sort to the feet of this divider to keep it from shifting. I ended up leaning mine against a bookcase shelf so it wouldn't lean. All and all, this is a great product if you are looking to make a room multipurpose.
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Reviewed in the United States on August 2, 2025
★★★★★ 5
As described
Color: Black
Light weight, easy to put together and you can disconnect the ends and just roll the whole thing nice and tight for quick out of the way storage. Pretty sturdy, doesn't fall over if you bump into it, you could use it outside but if there's a lot of light you can see through a tiny bit if you're really close but I only tested this indoors so not sure about patio types
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Reviewed in the United States on December 18, 2025
★★★★★ 2
Flimsy - choose something else
Color: Black
Very flimsy and barely stands up… better options out there.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 11, 2025
★★★★★ 5
Nutritious, Flavorful, and Convenient for My Little Explorer!
Flavor Name: World Explorers Variety Pack, Size: 3.5 Ounce (Pack of 18)
I recently purchased the Serenity Kids 7+ Months World Explorers Baby Food Pouches Starter Pack for my 10 month-old son, and it’s been a fantastic addition to our on-the-go feeding routine! This pack includes six 3.5-ounce BPA-free pouches featuring globally inspired flavors like Free Range Chicken Tikka Masala, Grass Fed Beef Chimichurri, and Wild Caught Salmon Teriyaki, which introduce bold, savory tastes to my son’s palate. As a parent prioritizing clean, organic ingredients, I love that these pouches are made with ethically sourced, regeneratively farmed meats and USDA-certified organic vegetables, herbs, and spices, with no added sugars, artificial flavors, or preservatives. Each pouch delivers 5g of protein and 5g of healthy fats, mimicking the macronutrient profile of breast milk, which is perfect for supporting my son’s growth during this critical “flavor window” (4-18 months) when taste preferences develop.
The convenience of these pouches is a game-changer for busy days. They’re shelf-stable, so I can toss them into our diaper bag for outings without worrying about refrigeration, and the smooth puree texture is ideal for my son, who’s transitioning to solids. He absolutely loves the Chicken Mexican Stew and Beef Kebab flavors, devouring them straight from the pouch in minutes! The variety of international recipes not only makes mealtime exciting but also helps expose him to diverse flavors, which I hope will prevent picky eating down the road. I also appreciate Serenity Kids’ commitment to quality, with Clean Label Project Purity Award certification and third-party testing for over 200 contaminants, giving me peace of mind about safety.
One minor suggestion would be to include a slightly larger pouch size for hungrier babies, as my son sometimes wants more than the 3.5 ounces. Additionally, while the flavors are well-balanced, the ginger in the Beef Kebab can be a touch strong for some babies, though my son didn’t mind. These are small nitpicks, as the pouches are otherwise perfect for our needs. I highly recommend the Serenity Kids World Explorers Starter Pack to parents looking for healthy, convenient, and flavorful baby food that supports both nutrition and palate development. It’s a premium product that’s worth every penny for busy families who want the best for their little ones!
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Reviewed in the United States on August 3, 2025
★★★★★ 5
Great taste, good variety.
Flavor Name: World Explorers Variety Pack, Size: 3.5 Ounce (Pack of 18)
My kiddo loves these. Her favorite one is the Mexican Chicken Stew. If I can't get her to eat because she has teeth coming in, I can always get her to eat one of these. I keep them in the fridge so that they are cold and she likes them better cold. They are a little pricey but the flavors are delicious and she eats finishes them in a few minutes. I also use them for on the go if we are going to be running errands or going to the park I can just open one and she is good to go.
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Reviewed in the United States on April 22, 2026
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