What payment methods are available on Joom?

Joom supports a wide range of local and international payment methods for European shoppers, including debit and credit cards (Visa, Mastercard, Maestro), PayPal, Apple Pay, and Google Pay, plus country-specific options such as Klarna, BLIK, Multibanco, MB WAY, SEPA, and Giropay. Available options are shown at checkout and vary by country.

Can I pay for an expensive purchase in installments or later?

Yes, buy-now-pay-later services such as Klarna and Scalapay are available for some higher-value purchases, depending on your country, order amount, and the provider's terms.

Can I track my order?

Yes. You can follow its delivery status in the Joom app or on the website, updated as the package moves.

What happens if my order doesn't arrive?

Every order is covered by Joom Delivery Guarantee. If your order doesn't arrive by the guarantee date shown in your order details, contact Joom support and we'll issue a full refund.

Is it safe to pay on Joom?

Yes. Joom uses a secure payment system, and the seller isn't paid until you've received your order, which adds an extra layer of purchase protection.

What if my order doesn't arrive or the product isn't as expected?

If your order wasn't delivered, arrived damaged, or doesn't match its description, contact Joom support — a full refund can be issued in these cases.

How do I request a refund?

Requesting a refund is quick and straightforward. Just head to your order in the Joom app or website, open the Support Chat, and let us know what happened. Our team will take it from there and get back to you with a resolution as quickly as possible.

DC-DC Step-down Module LCD Display 5A Adjustable Constant Current and Voltage CNC Step-down Module with Acrylic Housing

Name: DC-DC Step-down Module LCD Display 5A Adjustable Constant Current and Voltage CNC Step-down Module with Acrylic Housing
SKU: 6abbbf22b11824015f5b00a7
Price: 7.16 EUR
Availability: InStock

Current price

Price €7.16

‌

Tropical Vibes: Summer in Paradise Men's T-shirt
Silverstone British Grand Prix T Shirt F1 UK Racing Graphic Tee Motorsport Fan
Colorful Long-Arm Monkey Cuddly Filled Plushies Children'S Creature Soft Companions Innovative Curtain Playthings Swinging Monkeys Decorative
Clothes Garment Price Label Tagging Tag Gun 3 1000 Barbs + 5 Needles Set Machine
Kill Tony Merch T Shirt Sweat Unisex Vintage Graphic Slightly Soft Streetwear Versatile Comfortable Top For Everyday Wear
4PCS Adjustable Convenient Portable Leather Pen Clips Notebook Self-adhesive Pen Holder Elastic Loop
Natural Amethyst Ghost Agarwood Double Circle Bracelet New Chinese Style Pixiu Jewelry Women
250 Years American 1776 2026 250th USA Patriotic 4th of July Unisex T-Shirt
Connector Charger Board USB Charging Port Dock Plug Flex Cable For HuaWei Honor 9 8 8C 8X 10i View 20 20S 20E 10 Pro Lite
Standard Fit Overlock Machine Cover Durable Storage Bag Dust Cover for Serger For Sewing Room

Free delivery to the United States

2 October

Secure checkout & data protection

No-delivery refund

Quality guarantee

Secure logistics

Privacy protection

Description

Quantity : 1 High-concerned chemical : none Package : TQFP Type : Module Brand Name : DIY NOW Origin : Mainland China Condition : New

Product Selling Points: 1. High-quality materials, guaranteed quality. 2. Crystal-clear housing, elegant design, and tactile buttons. Output voltage is set by button, eliminating the hassle of using a flat-blade power supply. 3. Output can be turned on and off with a button, and the power-on default can be set to ON or OFF. 4. LCD displays input and output voltage, output current, and output power. 5. Reverse polarity protection on the input terminals, preventing burnout.

Parameters: Input voltage: 6.5-36V (If the input voltage is below 6.5V, the current accuracy will be inaccurate; if it is below 5.5V, the LCD display will not function properly). Output voltage: 1.2-32V, factory default output: 5V. Output current: Stable at 3.5A for long periods of time, reaching approximately 4.5A with enhanced heat dissipation (adjustable current limit of approximately 4.2-4.5A). Output power: 50W with natural heat dissipation. (within 3.5A), enhanced heat dissipation 75W Voltage display: 0.05V resolution, range 1.2-32V, accuracy approximately ±0.1V (Customers with demanding accuracy should be cautious!) Current display: 0.005A resolution, range 0-4.5A, accuracy approximately ±0.05A (Customers with demanding accuracy should be cautious!) Conversion efficiency: approximately 94% Operating current: approximately 30mA Reverse input protection: Yes Output backflow protection: No (If charging a battery, power the module before connecting the battery, and ensure the battery voltage is lower than the output voltage. If possible, connect a backflow protection diode in series with the positive output terminal.) Short-circuit protection: Yes Dimensions: L*W*H 70.5*48.4*28mm

Package list: Step-down module*1 label:yes

Haven Home

4.4

312

reviews

3,000+

purchases

Seller's info and responsibility

Frequently asked questions

What payment methods are available on Joom?
Joom supports a wide range of local and international payment methods for European shoppers, including debit and credit cards (Visa, Mastercard, Maestro), PayPal, Apple Pay, and Google Pay, plus country-specific options such as Klarna, BLIK, Multibanco, MB WAY, SEPA, and Giropay. Available options are shown at checkout and vary by country.
Can I pay for an expensive purchase in installments or later?
Yes, buy-now-pay-later services such as Klarna and Scalapay are available for some higher-value purchases, depending on your country, order amount, and the provider's terms.
Can I track my order?
Yes. You can follow its delivery status in the Joom app or on the website, updated as the package moves.
What happens if my order doesn't arrive?
Every order is covered by Joom Delivery Guarantee. If your order doesn't arrive by the guarantee date shown in your order details, contact Joom support and we'll issue a full refund.
Is it safe to pay on Joom?
Yes. Joom uses a secure payment system, and the seller isn't paid until you've received your order, which adds an extra layer of purchase protection.
What if my order doesn't arrive or the product isn't as expected?
If your order wasn't delivered, arrived damaged, or doesn't match its description, contact Joom support — a full refund can be issued in these cases.
How do I request a refund?
Requesting a refund is quick and straightforward. Just head to your order in the Joom app or website, open the Support Chat, and let us know what happened. Our team will take it from there and get back to you with a resolution as quickly as possible.