Is the product here in the us? and not in china. couldn't cancel an order from china. it's going to take 45 days for the product

For any product sold on Amazon: The information you need is available right from the product page: Look above the "add to cart" button, and read the estimated arrival date, and most especially, whether the item is "Fulfilled by Amazon", or "sold by and shipped from Amazon". ALSO, underneath the bulletted description next to a product's photo, look for a link that says some number is "New from", or "News and Used from"; if you click it, a side menu slides out that shows sellers, prices, whether shipping is free or not, and the estimated delivery date.

Is this the best thing to dim some led lights ? Is it bad to use? I know it should work but...?

I used 3 of these to control each color of a strip of SMD 5050 LEDs. They work great. No buzzing, smooth linear control.

what is the PWM frequency?

Frequency can be changed with C2. 0.12nF 66.7KHz 1nF 11.4KHz 10nF 1.2KHz 100nF 118Hz 1000nF 1.2Hz

Does the knob include an on/off function or does it just adjust the speed? Need to know if I need to purchase an additional power switch.

The knob has an on/off function.

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RioRand 1803BK DC Motor Speed Controller 1.8V-15V 2A PWM Dimmer

Product ID: 9338040

Details

Brand
RioRand
Color
Green
Material
Iron Plastic
Product Dimensions
1.26"L x x
Voltage
1.8 volts

⚡1.8V-12V adjustable voltage range

🔄0%-100% PWM duty cycle for precise speed control

🛡️2A self-recovery fuse for automatic overcurrent protection

RM65

Duties & taxes included

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Sold byAmazon MalaysiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚙️ Master your motor’s rhythm with precision and protection!

SMART SAFETY FIRST - Built-in 2A self-recovery fuse and power indicator safeguard your electronics effortlessly.
COMPACT SPACE SAVVY - Mini 32×32×14mm design with integrated on/off switch fits perfectly into any DIY project.
ROBUST RELIABLE BUILD - Upgraded 1803BK chip and premium components ensure steady output and extended lifespan.
VERSATILE VOLTAGE COMPATIBILITY - Supports 1.8V to 12V input with max 15V tolerance, ideal for low voltage DIY electronics.
PRECISION SPEED BRIGHTNESS CONTROL - Fine-tune your DC motor speed or LED brightness with seamless 0%-100% PWM adjustment.

The RioRand Ver.2.0 Premium PWM DC Motor Speed Controller is a compact, high-performance device designed for precise speed regulation of small DC motors and low voltage LED dimming. Featuring an upgraded 1803BK chip, it supports 1.8V-12V input with up to 15V tolerance, offers 0%-100% PWM duty cycle adjustment, and includes a built-in 2A self-recovery fuse with power indicator for enhanced circuit protection. Its mini integrated structure with an on/off switch makes it perfect for professional DIY electronics and hobby projects requiring reliable, safe, and efficient motor control.

Specifications

ASIN	B00N30UK2M
Best Sellers Rank	#138,418 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #53 in Electrical Motor Controls
Brand Name	RioRand
Color	Green
Customer Reviews	4.3 4.3 out of 5 stars (602)
Display Type	LED
Global Trade Identification Number	00701851068507
Included Components	1x Motor Speed Controller
Item Dimensions L x W x H	1.26"L x 1.26"W x 0.55"H
Item Highlight	Ver.2.0 Upgraded DIY Electronic Kit with Self-Recovery Fuse & On Off Switch for Low Voltage LED Dimming & Projects
Item Type Name	Low Voltage Dc 1.8v 3v 5v 6v 12v 2a Motor Speed Controller Pwm
Item Weight	14 g
Manufacturer	RioRand
Material Type	Iron, Plastic
Model	RR-PWM-15V
Number of Items	2
Part Number	RR-PWM-15V
UPC	701851068507
Unit Count	1 Count
Voltage	1.8 volts
Warranty Description	3 MONTHS

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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The product exactly matches the description. Very satisfied with my purchase.

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2 weeks ago

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RM65

Duties & taxes included

In stock

Sold byAmazon MalaysiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Malaysia.

Secure transaction

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Join PRO →

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TrustScore 4.5 | 7,300+ reviews

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