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KAI Hydroponics Kit
Become a master gardener, effortlessly.

Saltwater Kit
Grow Your Own Food

What Can This Kit Measure?

KAI simplifies the cultivation of a thriving hydroponic environment. Easily automate devices based on your system's parameters and implement advanced techniques for optimal plant growth.


Acidity (pH)


Total Dissolved Solids (TDS)


Electrical Conductivity (EC)



Water temperature

Water Temperature

Air temperature

Air Temperature


H2O presence

PAR (App feature)

PAR (In-app)

Light intensity (App feature)

Lumens (In-app)

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One Controller For All Your Needs


KAI allows for virtually limitless probe connections, so one controller is all you need to automate multiple enclosures. Simultaneously monitor your ecosystems and utilize probe values to automate devices.

KAI Has Automation Styles For Every Desire

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Your greenery, always in sight.

Check in on your system from anywhere. Whether you have an emergency situation, or just want to show-off your plants, the Felix Smart camera has you covered.

• Save photos and videos
• Connect unlimited cameras
• Timelapse the growth of your plants

A phone is shown with the Felix Smart application camera functionality on screen. The parameters of the hydroponic system it is viewing are shown on screen.

Create Stunning Timelapses With Ease

Make informed decisions with better data.

Utilize historical data to maximize growth in your system. With KAI, you can learn about all the best parameters for the plants you care about.

Peace of mind for your plants.

KAI makes checking in on your plants a breeze. Get updates anywhere, anytime.

A phone is shown with the Felix Smart home screen on it. The user checking in on their hydroponic system is evidently away from home, likely in an airport.

Fresher than your grandma's garden.

It's never been easier to grow food indoors. The KAI Hydroponics Kit lets you grow crunchy, fresh, tasty produce with ease.

A smiling woman is shown, holding a bowl of freshly harvested greens from the hydroponic racks around her.

What's In The Box?

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"I've had so many people that have been wanting to get an "auto-watering system" ... This makes it so that you could actually have an indoor auto watering system that's going to treat your plants properly."

Detailed Specifications

Material ABS Flame Retardant
A/C Plug Input
100-240V~, max 10A 
A/C Plug Output
100-240V~, total 9A
USB Output
5V, 2.0A
Total Max Watts:
North America: 1100W
Grounded Sockets 8
Size (L x W x H) 28.5cm x 16.8cm x 13.7cm
(11.2" x 5.4" x 6.6")
Available USB Ports
6 - Expandable up to 30 using powered USB hubs
Certifications CE, FCC, ROHS
Intended Use For indoor use only
Waterproof Not Waterproof
KAI Size Specs
Resolution Full HD 1080P - 1920 x 1080P @ 30fps
Compression H.264, MJPEG
Microphone Disabled
Temperature Range 0ºC - 70ºC (32ºF to 158ºF)
Water Use Not Waterproof
Intended Use Indoors, outside of high humidity spaces.
Connector USB
Cable length 1.2 meters (4.5 ft) Extendable to 25 ft with a USB Extension.
Mounts 1/4in – 20 UNC, Adjustable swivel and Velcro.
Certifications FCC, CE, ROHS
Material Double Junction Silver / Silver Chloride
Reads pH
Range 2 - 13
Resolution +/- 0.1
Accuracy +/- 0.1
Response Time 95% in 4s
Temperature Range  1°C to 60°C (33.8°F to 140°F)
Max Pressure 345 kPa (50 psi)
Max Depth 35m (114 ft)
Connector Felix Smart USB
Cable Length 1 meter (~39")
Internal Temperature Sensor No
Time Before Recalibration ~1 Year
Life Expectancy ~2 Years
Reads EC, TDS, SG
Range 5 - 200,000 μS/cm
Accuracy +/ – 2%
Response Time 90% in 1s
Temperature Range  1°C to 110°C (33.8°F to 230°F)
Max Pressure 3,447 kPa (500PSI)
Max Depth 352m (1,157 ft)
Connector Felix Smart USB
Cable Length 1 meter (~39″)
Internal Temperature Sensor No
Time Before Recalibration ~10 years
Life Expectancy ~10 years
Material Stainless Steel, ABS
Reads EC, TDS, Ground Moisture, Temperature, Water Presence
Temperature Range -20ºC to 70ºC (-4ºF to 158ºF)
Electrical Conductivity (mS/m) 0 - 300 mS/m
Degree of Water Saturation in Soil 0 - 100% 
Volumetric Water Content from Dielectric Permittivity:
ε.VWC = 0.002974 * pow(ε,2) + 0.07424 * ε -1.295 : 0 - 100% /8%
Dielectric Permittivity (ε) (Temperature corrected) 1 (Air) : 80 (Water) / 5%
Total Dissolved Solids (ppm) 0 - 2000 ppm
Max Pressure 689 kPa (100 PSI)
Max Depth 70m (230 ft)
Connector Felix Smart USB
Cable Length 2.7m (9 ft)
Time Before Recalibration ~ 2 Years
Water Use Waterproof  
Material ABS
Reads Air Temperature, ~Humidity and Light
Humidity Range 0-100% RH
Humidity Accuracy +/- 2% RH
Temperature Range  0°C to 70°C (32°F to 158°F)
Temperature Accuracy +/- 0.5°C
Light Sensor Photocell
Connector Felix Smart USB
Cable Length 2.7 meters (9 ft)
Water Use Not Waterproof
Intended Use Indoors or Enclosures

Frequently Asked Questions

What happens if my Wi-Fi goes out?

KAI is Wi-Fi compatible, not Wi-Fi dependent. KAI remembers your settings and will continue to utilize your probe/sensor values to automate your environment, even without Wi-Fi connection.

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