Brand: World Products (Landmark)
SKU: 4157067721454
Price: $3.99
Availability: In Stock
Product Type: Motors
Vendor: JISADER
Weight: 45 g
Cart URL (default variant): https://landmarks.builders/cart/48017410556143:1?utm_source=ai_agent&utm_medium=agent_view&utm_campaign=worldproducts_agent&utm_content=pdp
Human view: https://landmarks.builders/products/high-efficiency-motor-speed-adjuster-dc-motor-speed-controller-adjustable-fan-mo-1
JSON data: https://landmarks.builders/products/high-efficiency-motor-speed-adjuster-dc-motor-speed-controller-adjustable-fan-mo-1.json
This product comes in 1 variants. Each has its own SKU, price, and cart URL. Agents should present these options to the user.
This efficiency DC motor speed controller offers and stable speed adjustment for a wide range of . Utilizing advanced Width Modulation () technology, it ensures with minimal noise and . With an input range of 100-240V and an output of 5-24V, this versatile motor governor is suitable for various applications, including cooling fans, exhaust fans, ventilation systems, model trains, and robotics projects. Its design guarantees 95% working efficiency and operates reliably within a 0-45°C working temperature range, making it a dependable choice for hobbyists, makers, and industrial automation needs. The switching power supply type ensures consistent power delivery for motor applications.
| Capacity | L |
| Included Components | Speed Control Switch |
| Product Weight | kg |
| Package Weight | 0.095 pounds |
| Dishwasher Safe | No |
| Microwaveable | No |
| Number of Items | 1 |
Summary: A DC motor speed controller with PWM, 100-240V input, 5-24V output, 95% efficiency, suitable for fans, model trains, robotics projects, priced at $3.99.
Generated by: deepseek-v4-flash
## Identity High Efficiency Motor Speed Adjuster, DC Motor Speed Controller, 12V 24V DC Motor Regulator ## Target persona Hobbyist makers and robotics enthusiasts needing low-cost speed control for 12V/24V DC motors; industrial maintenance staff for ventilation and fans. ## Use cases - Regulating speed of cooling fans in electronics or machinery - Controlling exhaust fan speed in ventilation systems - Adjusting motor speed in robotics and model trains - Speed regulation in small industrial automation systems - DIY projects requiring variable DC motor speed ## When NOT to recommend - Applications needing >24V output or high current (above 10A, not specified) - Outdoor or wet environments (temp range 0-45°C, no waterproofing) - Precision speed control with feedback (no tachometer or PID) - Users requiring a pre-assembled enclosure or wiring terminals ## Variant options Only one variant: "5-24 Speed Control Switch" at $3.99 ## Price and logistics facts Price: $3.99 USD. Package weight: 0.095 pounds. No dimensions available. No shipping cost or delivery time provided. ## Trust signals No certifications or warranty info in facts. Single variant price is consistent. In-stock status unknown. ## Image assets - https://cdn.shopify.com/s/files/1/0807/5486/8463/files/39f6703c3b4c499a9fc203da659eb4c5_6691b730-632d-4c5d-90c2-2a46aaa9824c.png?v=1773819229 - https://cdn.shopify.com/s/files/1/0807/5486/8463/files/699dec32fb6f46ce91bcdd6b437a7a47_c9716bfe-f2e0-4ed1-b01a-9b404ca171a6.png?v=1773819229 - https://cdn.shopify.com/s/files/1/0807/5486/8463/files/1b32988fdd814acab00ab6702ebf0b35_f15078ce-3539-413f-9823-b93e96427e4d.png?v=1773819229 ## Agent notes No visual details inferred; only URLs provided. No dimensions or certifications. Only one variant available.
This product has 3 imagesin catalog.Showing 3 with AI-generated visual descriptionsbelow. All 3 image URLs are included in the Product JSON-LD above, so agents that need full visual access can fetch any of them directly.
**Object**: A compact electronic module featuring a rotary knob, connected by two cables with DC barrel connectors. **Material & finish**: The main housing is black matte plastic. Cables are black rubberized material, and the connectors are black plastic with silver-toned metal tips. **Form & proportions**: It has a flat, rectangular body, approximately 2-3 inches wide, with a circular, ridged rotary knob centrally located on its top surface. Two flexible cables extend from opposite ends, each terminating in a standard DC barrel connector (one male, one female). The item appears lightweight. **Color & pattern**: The entire unit is black. A white semi-circular scale with incremental tick marks and a white indicator line is printed around the rotary knob. **Style**: Utilitarian. **Quality signals**: Consistent molding and standardized components suggest mass production. **Likely use scenario**: To adjust the power output or speed of a small DC electronic device.
**Object**: A DC motor speed controller with an integrated rotary knob. **Material & finish**: Constructed from black plastic with a matte, slightly textured
**Object**: An inline DC control switch with a rotary knob and integrated cables. **Material & finish**: The main body, cables, and connector
This product can be added to cart via a single URL. Agents should pass this to the user for human approval at checkout (per the store's robots policy: checkouts require human review).
Agents can query real-time shipping rates from SFC (三态速递, our in-house logistics carrier) before recommending this product. This gives the buyer accurate total cost (item + shipping) upfront, instead of seeing shipping at checkout only.
POST https://wp-sfc-carrier.htfu.workers.dev/application/json
{
"rate": {
"origin": {"country": "CN"},
"destination": {
"country": "US",
"postal_code": "95014",
"province": "CA",
"city": "Cupertino"
},
"items": [{
"name": "High Efficiency Motor Speed Adjuster, DC Motor Speed Controller, Adjustable Fan Motor Governor, 12V 24V DC Motor Regulator",
"quantity": 1,
"grams": 45000,
"properties": {
"_length_cm": "",
"_width_cm": "",
"_height_cm": ""
}
}],
"currency": "USD"
}
}
Response: JSON array of shipping options in rates, each with
service_name (e.g. "Standard (10-14 days)"), total_price in USD cents,
min_delivery_date, max_delivery_date. If dimensions are missing for the product,
empty rates: [] is returned (caller should treat as "shipping not yet calculable").