
OTSAW · military or security robot
O-R3
OTSAW's first robot, a four-wheeled outdoor patrol robot with HD and 360-degree cameras and 3D SLAM navigation that streams footage and flags unusual events to a control room. It was also shown with a companion drone that launched from its body.
- Price
- —Offered as Robot-as-a-Service (rental), no public price
- Height
- —Not published
- Weight
- —Not published
- Payload
- —Not published
- Speed
- —Not published
- Battery
- —Not published
Not sure this is the one? Find the best robot for your job Starts with: patrol and inspect. Five more quick questions.
Why it matters
O-R3 is on the market today.
Real-world use
Piloted by Singapore's water agency PUB, then patrolled Bedok and Pandan reservoirs as a safe-distancing ambassador from April to August 2020.
Timeline
- Released
- 2019
Maker
OTSAWCompany · SingaporePublic attention
How much public attention O-R3 gets, from open data.
- No Wikipedia article of its own yet
- No recent press stories listed yet
Measures how much people read and write about a robot, not how good it is. Measured 2026-10-13; same method for every robot. How it is measured
What’s inside
The parts the company has talked about publicly.
- Movement
- Wheeled base
- How it runs
- Fully autonomous. It patrols set routes by itself and streams video to a control room, which watches for the alerts it raises.
- Sensors & vision
- HD cameras with 360-degree computer vision and other sensors
- Battery & power
- Returns to its base to recharge
- AI & software
- Patented 3D SLAM navigation with static and dynamic obstacle avoidance; machine-learning surveillance that alerts a command centre; on-board recording with cloud upload
Lineage
Every OTSAW machine in order.
Watch O-R3
Made, sold and where
Unit counts are usually company figures; analysts often disagree.
- Price
- Not publishedOffered as Robot-as-a-Service (rental), no public price
- How to get one
- No official buying page found
- Sold or delivered
- Offered as robot-as-a-service
- Where it is sold or used
- Singapore
- Customers and pilots
- Singapore water agency PUB (reservoir patrols, 2020)
Side by side with its peers
Picked by the same rules for every robot: another maker’s robot that moves the same way, is at the same stage and does at least one of the same main jobs, first shown within two years. Closer size and price rank higher. How we choose
| Measure | O-R3OTSAW | Mission Master SPRheinmetall Canada (Rheinmetall Group)Same job: surveillance · Both on wheels · Both on sale or in pilots | K7KnightscopeSame job: outdoor security patrol · Both on wheels · Both on sale or in pilots |
|---|---|---|---|
| First shown | 2019 | 2018-06 | 2017 |
| Status | Commercial | Commercial | Commercial |
| Height | — | — | — |
| Weight | — | — | — |
| Joints | — | — | — |
| Speed | — | — | — |
| Payload | — | 600 kg | — |
| Battery | — | — | — |
| Price | — | — | — |
Sources
Figures come from the maker. Every link below backs something on this page.
Photos and logos only identify each robot and its maker. Simbeing is not affiliated with, sponsored by or endorsing any company, and nothing here is advertising. Figures are for statistics only and are not advice of any kind. Terms of use


