Know Your Tanks.
Anytime.Anywhere..
Professional wireless tank level monitoring for your RV. Real-time water, grey, and black tank levels on your phone.
OraRV Sensor
See It in Action
Watch how tank level changes flow from your water tank through the sensor to your phone — in real time.
Free shipping to US & EU. 30-day money-back guarantee.
Why RVers Switch to OraRV
Traditional sensors fail. Ours doesn't.
- ✕Guessing tank levels on the road
- ✕Inaccurate float sensors that stick
- ✕Resistive strips that corrode in months
- ✕No alerts — surprises at the worst time
- ✕Drilling holes in your tank for install
- Real-time levels on your phone, always
- ±2% ultrasonic accuracy, no contact
- 2-year battery, zero maintenance
- Smart alerts before tanks run low or overflow
- Peel-and-stick install, no drilling ever
Built for the Open Road
Every feature designed with RV life in mind.
Precision Sensing
±2% accuracy ultrasonic technology reads through the tank wall without contact.
Wireless Connectivity
Bluetooth 5.0 with 30ft range covers even the largest RVs effortlessly.
2-Year Battery
Standard CR123A battery lasts up to 2 years with continuous monitoring.
Mobile App
Beautiful iOS and Android app with real-time levels, history, and alerts.
IP67 Waterproof
Built to withstand rain, snow, and the rigors of life on the road.
Easy Install
Peel-and-stick mounting. No drilling, no plumbing, no tools required.
Everything You Need, In One Box
No extra purchases, no hidden costs. Every OraRV kit comes complete and ready to install in minutes.
- OraRV Tank Level Sensor × 1
- Mounting adhesive pad × 2
- CR123A battery (pre-installed)
- Quick start guide
- Mounting template sticker
Up and Running in Minutes
Three simple steps to smarter tank monitoring.
Mount the Sensor
Attach the sensor to the outside bottom of your tank with the included adhesive pad. No drilling required.
Connect via Bluetooth
Open the OraRV app and pair your sensor in seconds. It auto-discovers nearby sensors.
Monitor in Real-Time
View accurate tank levels on your phone. Get alerts when levels are low or tanks are full.
Technical Specs
| Sensing Technology | Ultrasonic |
| Accuracy | ±2% |
| Connectivity | Bluetooth 5.0 (up to 30ft / 10m) |
| Battery | CR123A, ~2 year lifespan |
| Water Resistance | IP67 |
| Tank Compatibility | Polyethylene, ABS, Fiberglass |
| Max Tank Depth | 24" / 60cm |
| Operating Temp | -4°F to 140°F (-20°C to 60°C) |
| Dimensions | 3.2" × 2.1" × 1.4" (82 × 53 × 36mm) |
| Weight | 2.8 oz (80g) |
Loved by RVers
Join 2,500+ happy customers who upgraded their RV experience.
“Finally, a tank sensor that actually works! No more guessing when the fresh water is running low. The app is clean and the sensor was dead simple to install.”
“We've been full-timing for 3 years and tried every sensor on the market. OraRV is the first one that gives consistent, accurate readings. Worth every penny.”
“Installed on all three tanks in under 20 minutes. The Bluetooth range easily covers our 35ft fifth wheel. Highly recommend for any RVer.”
Ready to Upgrade Your RV?
Order today and get free shipping. 30-day money-back guarantee, no questions asked.