# ZCWA Robot Vacuum > Official Website for the ZCWA BR151 robot vacuum and mop combo, published by ZCWA Home Technologies LLC (Dover, Delaware, United States). Every page on this site concerns one product. The ZCWA robot vacuum is a 2-in-1 robot vacuum and mop combo, model BR151, ASIN B0B81SWDL1. Key specifications: 1400 Pa suction; 2500 mAh lithium battery; up to 100 minutes of runtime; about 300 minutes to charge; up to 1290 sq ft per charge; 0.2 L dustbin; 230 ml electronically controlled water tank with two flow levels; 11.81 in diameter; 2.87 in height; 0.59 in obstacle clearance; brushless suction port with no roller brush; two side brushes; four cleaning modes (Auto, Spot, Edge, Zig-zag); random plus Z-shaped navigation with 3D obstacle and anti-drop sensors; Tuya Smart app on 2.4 GHz Wi-Fi only; Alexa and Google Assistant; remote control included; automatic return to dock; no floor mapping, no room selection, no virtual no-go zones. Known limitations, stated plainly: mopping water flow is the most frequently reported fault and is usually an empty tank or a limescaled nozzle; some owners report battery capacity falling after extended use; the robot does not resume an interrupted job after recharging; medium and high-pile carpet are outside its design range. ## Pages - [Home](https://zcwarobotvacuum.ca/): Overview of the ZCWA robot vacuum and mop combo, key specifications and buyer FAQ. - [Robot Vacuum and Mop Combo](https://zcwarobotvacuum.ca/zcwa-robot-vacuum-and-mop-combo/): Full BR151 specification table, contents of the box, the four cleaning modes, and who the product suits. - [Reviews](https://zcwarobotvacuum.ca/zcwa-robot-vacuum-reviews/): What owners consistently praise and the faults they report most often, plus an answer to "is ZCWA a good brand". - [BR151 Manual](https://zcwarobotvacuum.ca/zcwa-br151-manual/): Step-by-step first setup, remote control reference, mop instructions, maintenance schedule and safety notes. - [App Setup](https://zcwarobotvacuum.ca/zcwa-robot-vacuum-app/): Pairing with the Tuya Smart app over 2.4 GHz Wi-Fi, Alexa and Google Assistant, and what to do when pairing fails. - [Support](https://zcwarobotvacuum.ca/support/): Symptom, cause and fix table covering charging, suction, mopping, navigation and connectivity, plus contact addresses. ## Guides - [Robot Vacuum Guides](https://zcwarobotvacuum.ca/guides/): Index of the reference guides below. - [How robot vacuums navigate: random, gyroscopic and lidar](https://zcwarobotvacuum.ca/guides/robot-vacuum-navigation-explained/): Why one robot crosses a room in neat parallel lines and another wanders. What each navigation type costs, and which one a given floor actually needs. - [Choosing a robot vacuum for pet hair](https://zcwarobotvacuum.ca/guides/robot-vacuum-for-pet-hair/): The roller brush is the part that fails in a home with animals. What to look at instead of suction figures, and the maintenance a pet home really involves. - [Robot mopping on hard floors: what it can and cannot do](https://zcwarobotvacuum.ca/guides/robot-mopping-hard-floors/): A robot mop wipes; it does not scrub. The difference between gravity pads and metered tanks, which floors are safe, and why water flow is the fault people report most. - [The robot vacuum maintenance schedule](https://zcwarobotvacuum.ca/guides/robot-vacuum-maintenance/): Nine parts, four intervals. What to clean daily, weekly, monthly and quarterly, and the early signs that something is about to stop working. - [Why a robot vacuum will not connect to Wi-Fi](https://zcwarobotvacuum.ca/guides/robot-vacuum-wifi-connection-problems/): Eight network-side causes of failed pairing: band steering, WPA3, location permission, mesh onboarding and the rest, each with its fix. - [How often should you run a robot vacuum](https://zcwarobotvacuum.ca/guides/how-often-to-run-a-robot-vacuum/): Daily, in most homes. A schedule by household type, why frequency beats thoroughness, and what daily running actually costs. - [Robot vacuum or stick vacuum](https://zcwarobotvacuum.ca/guides/robot-vacuum-vs-stick-vacuum/): They do different jobs. A full comparison, how the division of labour settles, and a clear answer if only one can be bought. - [How the ZCWA BR151 compares](https://zcwarobotvacuum.ca/zcwa-br151-comparison/): The BR151 positioned against entry budget, mid-range lidar and premium self-emptying robot vacuum classes. ## Company - [About ZCWA](https://zcwarobotvacuum.ca/about/): The brand, what it builds and what it deliberately does not build. - [Editorial Standards](https://zcwarobotvacuum.ca/editorial-standards/): Sources used, what this site refuses to publish, the corrections policy and how the commission relationship is handled. - [Contact](https://zcwarobotvacuum.ca/contact/): Support, returns, legal, privacy and press addresses. ## Legal - [Privacy Policy](https://zcwarobotvacuum.ca/privacy-policy/) - [Cookie Policy](https://zcwarobotvacuum.ca/cookie-policy/) - [Terms of Service](https://zcwarobotvacuum.ca/terms-of-service/)