# HOBOT-388: specs and price

**Price (US):** Not published (No verifiable current US price could be confirmed: hobot.us lists the 388 for sale but its price/product pages returned HTTP 429 (bot protection) on every direct fetch attempt, and third-party US retailers (Ace Vacuums, BuySmartBots, RestechToday) all blocked automated fetch (403/429) during verification), as of 2026-08-01.
**Brand:** HOBOT
**Released:** 2020
**Deskmark:** Silver Deskmark — pay-blind category standing 35/100, #6 of 12 in class (independent, computed from sourced data, never for sale).

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | Not published |
| Brand | HOBOT |
| Released | 2020 |
| Suction power (Pa) | — |
| Cleaning speed mode | ~4 min/m^2; up to 70rpm hand-gesture-style wiping wheel rotation; 3 automatic operation modes |
| Battery backup min | 20 |
| Spray system | Single ultrasonic spray nozzle, 15um mist, detachable water tank |
| Path planning | AI path calculation with auto window-edge detection |
| Noise level (dB) | — |
| Safety tether | 4.5m rope rated to 200kg |
| Edge detection | AI auto-detects window edges and adjusts route |
| Weight (lb) | 2.02 |

## Where it stands

On the spec sheet, its battery backup min of 20 is the lowest of the 12, and its weight of 2.02 lb is the lowest of the 11.

## Frequently asked questions

**How much does the HOBOT-388 cost?**

The HOBOT-388 has no published US price as of 2026-08-01.

**When was the HOBOT-388 released?**

The HOBOT-388 was released 2020.

**What are the HOBOT-388's key specs?**

HOBOT-388 (HOBOT): cleaning speed mode ~4 min/m^2; up to 70rpm hand-gesture-style wiping wheel rotation; 3 automatic operation modes, battery backup min 20, spray system Single ultrasonic spray nozzle, 15um mist, detachable water tank, path planning AI path calculation with auto window-edge detection, safety tether 4.5m rope rated to 200kg. Full sourced spec sheet verified 2026-08-01.

Source: https://www.hobot.com.tw/hobot-388/ (hobot.com.tw, accessed 2026-08-01)
Canonical: https://frontdeskreview.com/product/robot-window-cleaners/hobot-388/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl