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".

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100V-240V

Product ID: 171491282

Details

Brand
Wathai
Compatible Devices
Desktop
Cooling Method
Air
Material
Plastic
Maximum Rotational Speed
2200 rpm
Noise Level
42 db

⏳50,000 hrs dual ball bearing lifespan

⚡30% more efficient EC motor

💨24.6 CFM high airflow

11.92 OMR

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Description

💨 Elevate your airflow game with efficiency that works as hard as you do!

BUILT TO LAST - Robust dual ball bearings ensure a reliable 50,000-hour lifespan, keeping your system cool season after season.
WHISPER QUIET COOLING - Operates at a low 42 dB noise level, perfect for focused workspaces or serene home offices.
PLUG PLAY CONVENIENCE - Includes AC cord with switch and mounting hardware for effortless setup and instant cooling.
POWER SIPPING PERFORMANCE - Consumes just 4W while delivering superior airflow—save energy without compromise.
VERSATILE MOUNTING FLEXIBILITY - Dual ball bearings allow flat or upright installation to fit your unique project needs.

The Wathai EC 120mm x 32mm Centrifugal Blower Fan features a cutting-edge EC motor that is 30% more efficient than traditional AC motors, delivering 24.6 CFM airflow at just 4 watts of power. Designed for versatile cooling applications, it supports multiple voltages (110V-240V) and offers a quiet 42 dB operation. Dual ball bearings provide a long 50,000-hour lifespan and flexible mounting options, making it an ideal energy-saving solution for professional and DIY projects alike.

Specifications

ASIN	B07WT275SC
Air Flow Capacity	24.6 cfm
Best Sellers Rank	#87 in Computer Case Fans
Brand Name	Wathai
Compatible Devices	Desktop
Cooling Method	Air
Customer Reviews	4.1 4.1 out of 5 stars (334)
Item Dimensions L x W x H	4.72"L x 4.72"W x 1.26"H
Item Highlight	Duall Ball 4W Power Energy-Saving, High Airflow Centrifugal Blower Fan AC 110V 115V 120V 220V 240V
Item Weight	7.4 ounces
Manufacturer	Wathai
Material Type	Plastic
Maximum Rotational Speed	2200 rpm
Model	EC12032B
Noise Level	42 db
Number of Items	1
Number of Packs	1
Part Number	EC12032B
Power Connector Type	AC power plug
UPC	702334355862
Unit Count	1 Count
Voltage	120 volts_of_alternating_current
Wattage	4 watts

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