Can it be used on a outside inflatable

Yes, I bought it for a large inflatable snowman but it wasnt powerful enough. Probably fine for a 4 foot one.

What in the minium dc volt operating range?

I'm using it at 6v and it is working perfectly for my purpose (Powered air respirator). Below 4.5v it struggles.

Would this work on a Lenovo M720q tiny computer?

I used in an inflatable yard decoration. You would have to measure and check the requirements of your machine.

I need to know which cable is positive and which is negative since they're both black cables? What voltage and amperage does this product run at?

This device is powered by 110vAC, so their is no "positive" and/or "negative" connection. As per the specifications in the AMAZON notes, "4w".

Wathai EC 120mm x 32mm Dual Ball High Airflow Centrifugal Blower Fan, 4W, 2200 RPM, 24.6 CFM, 110V-240V, Desktop & Laptop Compatible

Wathai EC 120mm x 32mm Dual Ball High Airflow Centrifugal Blower Fan, 4W, 2200 RPM, 24.6 CFM, 110V-240V, Desktop & Laptop Compatible

Product ID: 529002473

Details

Product Dimensions
12L x 12W x
Brand
Wathai
Power Connector Type
3-Pin
Voltage
120 Volts (AC)
Wattage
4 Watts

⚡4W ultra-low power draw

🔄2200 RPM precision speed

🌬️24.6 CFM high airflow

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AED 276

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Description

🌪️ Powerfully Efficient Cooling, Engineered for the Modern Pro

EFFORTLESS EFFICIENCY - EC motor technology delivers 30% more energy savings than traditional AC fans, cutting your power bills while keeping cool.
PLUG PLAY CONVENIENCE - Includes mounting hardware, AC cord with switch, and wiring head—ready to integrate into your desktop or laptop cooling solutions.
WHISPER QUIET PERFORMANCE - Operating at just 42 dBA, this fan ensures a peaceful workspace without sacrificing airflow.
DURABLE DUAL BALL BEARINGS - Engineered for longevity with 50,000 hours lifespan, supporting both flat and upright mounting for flexible installation.
VERSATILE VOLTAGE COMPATIBILITY - Seamlessly runs on 110V to 240V, perfect for global projects or multi-device setups.

The Wathai EC 120mm x 32mm Dual Ball High Airflow Centrifugal Blower Fan combines cutting-edge Electronically Commutated motor technology with ultra-low 4W power consumption and a robust 2200 RPM speed. Delivering 24.6 CFM airflow at whisper-quiet 42 dBA noise levels, it supports a wide voltage range (110V-240V) and features durable dual-ball bearings rated for 50,000 hours. Designed for desktop and laptop cooling, it comes complete with mounting hardware and a convenient AC cord with switch, making it the ideal energy-efficient ventilation solution for professionals who demand reliability and performance.

Specifications

ASIN	B07WT275SC
Air Flow Capacity	24.6 Cubic Feet Per Minute
Brand	Wathai
Brand Name	Wathai
Compatible Devices	Desktop
Cooling Method	Air
Customer Reviews	4.1 out of 5 stars 316 Reviews
Item Dimensions L x W x H	12L x 12W x 3.2H Centimeters
Item Weight	7.4 Ounces
Manufacturer	Wathai
Material Type	Polycarbonate
Max Rotational Speed	2200 RPM
Noise Level	42 Decibels
Power Connector Type	3-Pin
Product Dimensions	12L x 12W x 3.2H Centimeters
UPC	702334355862
Unit Count	1.0 Count
Voltage	120 Volts (AC)
Wattage	4 Watts

Reviews

L**S

No funciona

26.01.2024

A**D

Fan good. Cord/switch is a fire hazard.

2.06.2024

B**.

Works as advertised /fast shipping

6.08.2023

J**Y

Handles heat and engine exhaust very well

2.06.2021

D**R

Moves a limited amount of air. Works for me. I use it to blow away sawdust on my router table.

18.05.2025

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