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Description
IRSW20B USB Reflective Photoelectric Switch, IRSW20BProduct manual 1. Through beam photoelectric switch (IRSW20B) is a customizable USB button. It is equivalent to a standard HID USB keyboard and mouse. The switch function can be customized to any key,combination, mouse or character string through the supporting software settings. After the definition is completed, no software is required during use. 2. Products are widely used in printers, copiers, game consoles, factory inspections, instrument
Product manual：1. Through-beam photoelectric switch (IRSW20B) is a customizable USB button.It is equivalent to a standard HID USB keyboard and mouse. The switch function can be customized to any key,combination, mouse or character string through the supporting software settings. After the definition is completed, no software is required during use.
2. Products are widely used in printers, copiers, game consoles, factory inspections, instrument control, equipment, etc. as well as mobile monitoring, proximity switch monitoring and occasions where it is not convenient to use mechanical switches to improve efficiency.
3. The switch adopts a through-beam photoelectric trigger mode. The infrared emitting tube in the device emits infrared light. If there is an object in the middle of the groove, the receiving sensor will trigger the corresponding key value if the infrared light is not detected.
4. Provides button definition setting software based on Windows system. After setting, you can use it in the following systems: Dos, Win 2000, Win XP, Win vista, Win 7, Win 8, Win10, Linux, Mac, Android.
5. Scope of application: office, game, industry, disabled person
Function Description：
1. Keyboard function: It can be set to any key value or key combination, for example, to key value A or CTRL+A.
2. Mouse function: It can be set to the left, middle, right, forward and backward keys of the mouse, the movement of the X and Y axes, and the up and down scrolling functions of the wheel.
3. String printing: You can set up to 38 characters, for example, set "hello!".
4. Multimedia function: It can be set as previous song, next song, volume up, volume down and other multimedia control functions.
5. Gamepad function: It can be set as up, down, left and right four direction keys and 6 function keys.
When you want to change the function of the button, you can use the FootSwitch software to modify the button function:
1. Insert the device into the computer USB port
2. Run the software FootSwitch
3. Click to select the corresponding setting window
4. Click or enter the function you want to set
5. Click Save to confirm.
6. The setting software only supports Windows system. The FootSwitch software is often upgraded. Please follow the latest version.
Product specifications:
1. Product model: IRSW20B
2. Interface type: USB
3. Power supply: 5V30mA
4. USB cable length: 2 meters (the cable length can be customized)
5. Product weight: about 65 grams
Outline dimension drawing and installation hole position drawing as show pictures
Specification:
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
Lightweight, Gentle & perfect for sensitive skin, instant hydration
Size: 3 Fl Oz (Pack of 1), Size: 3 Fl Oz (Pack of 1)
I received this CeraVe PM Facial Moisturizing Lotion this morning and tried it for the first time tonight, and I’m already really impressed.
The texture is lightweight and smooth. It applies easily and absorbs quickly without leaving any greasy or sticky feeling. My skin felt instantly hydrated, soft, and comfortable.
What I like most is how gentle it is. I’m currently using treatments that make my skin more sensitive, and this moisturizer didn’t cause any irritation at all. It actually helped calm my skin and made it feel more balanced.
I also appreciate that it contains ingredients like niacinamide, ceramides, and hyaluronic acid, which are great for supporting the skin barrier and hydration.
After just one use, my skin already looks more supple and healthy. It’s a great option for nighttime, especially if you don’t like heavy creams.
So far, I’m very happy with it and will definitely keep using it.
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Reviewed in the United States on April 4, 2026
★★★★★ 5
Highly recommended for all skin types!
Size: 3 Fl Oz (Pack of 1)
Game-Changer Night Moisturizer – Lightweight, Hydrating & Perfect for Sensitive Skin
I’ve been using the CeraVe PM Facial Moisturizing Lotion for a few weeks now, and honestly, it has become a staple in my skincare routine.
First thing I noticed is how lightweight and fast-absorbing it is. It sinks into the skin within seconds without leaving any greasy or sticky feeling, which is perfect if you don’t like heavy night creams. Despite being lightweight, it provides deep hydration throughout the night—I wake up with soft, smooth, and refreshed skin.
What really makes this product stand out is its ingredient combination:
• Hyaluronic acid keeps my skin hydrated by locking in moisture
• Niacinamide helps calm my skin and reduces redness
• Ceramides (1, 3, 6-II) strengthen the skin barrier
I also love that it’s fragrance-free, oil-free, and non-comedogenic, so it doesn’t clog pores or irritate my skin. I have slightly sensitive and acne-prone skin, and this has worked perfectly without causing breakouts.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026
★★★★★ 5
Soft, Gentle, and Perfect for Nighttime Hydration!
Size: 3 Fl Oz (Pack of 1), Size: 3 Fl Oz (Pack of 1)
I absolutely love this moisturizer! The texture is super soft, lightweight, and feels amazing on my skin. It hydrates really well without feeling greasy or heavy, and my face feels smooth and refreshed every time I use it. I also love that it’s gentle and doesn’t irritate my skin at all. Perfect for nighttime and my skin looks healthier in the morning. Definitely one of my favorite skincare products!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026
★★★★★ 5
Lightweight Night Hydration That Works
Size: 3 Fl Oz (Pack of 1), Size: 3 Fl Oz (Pack of 1)
I’ve been using the CeraVe PM Facial Moisturizing Lotion as part of my nighttime routine and it has worked really well for my combination skin. The texture is lightweight, smooth, and absorbs quickly without leaving any greasy or heavy feeling.
What I love most is how hydrating yet gentle it is. My skin feels soft, balanced, and calm by the morning. It layers nicely with my other skincare products and hasn’t caused any breakouts or irritation.
The formula feels simple and reliable, which is exactly what I look for in a daily moisturizer. Overall, a great affordable staple for maintaining healthy, hydrated skin.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 1, 2026
★★★★★ 4
This Is That ‘Boring’ Skincare That Quietly Works So Well
Size: 3 Fl Oz (Pack of 1)
I’ve tried a lot of moisturizers over the years, and this falls into what people call “boring skincare” — and honestly, that’s exactly why it works so well.
If you have acne-prone skin and deal with redness or irritation, this is one of those rare products that checks both boxes without overcomplicating things.
The consistency is lightweight but still hydrating. It spreads easily and absorbs quickly into the skin without leaving any greasy or heavy residue. It gives my skin the hydration it needs without clogging pores or triggering breakouts. I’ve had no issues with acne while using this, which is not something I can say for most moisturizers.
It also has Very minimal to no fragrance, which I prefer — especially great for sensitive or reactive skin.
Overall:
This isn’t a “flashy” product, but it’s consistent, gentle, and effective. It’s the kind of moisturizer you can rely on daily without worrying about irritation or breakouts.
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Reviewed in the United States on May 25, 2026