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Description
XVMC21Main Range of product Harmony XVM Product or component type Base unit with cover Kit composition Cover Base unit Component name XVM Indicator bank base type Base without buzzer Complementary Mounting diameter 45 mm Housing colour White Connections terminals Screw terminals, 1 x 0. 325 1 x 1. 5 mm Marking CE Net weight 0. 055 kg Environment Standards EN IEC 60947 5 1 EN IEC 60947 1 Product certifications CCC Ambient air temperature for storage 2570 C
Main
| Range of product | Harmony XVM |
| Product or component type | Base unit with cover |
| Kit composition | Cover Base unit |
| Component name | XVM |
| Indicator bank base type | Base without buzzer |
Complementary
| Mounting diameter | 45 mm |
| Housing colour | White |
| Connections - terminals | Screw terminals, 1 x 0.325...1 x 1.5 mm² |
| Marking | CE |
| Net weight | 0.055 kg |
Environment
| Standards | EN/IEC 60947-5-1 EN/IEC 60947-1 |
| Product certifications | CCC |
| Ambient air temperature for storage | -25…70 °C |
| Ambient air temperature for operation | -10…50 °C |
| Electrical shock protection class | Class I aluminium tube mounting conforming to IEC 60947-1 Class I aluminium tube mounting conforming to IEC 60947-5-1 Class I aluminium tube mounting conforming to IEC 61140 |
| IP degree of protection | IP40 any position except vertical position conforming to IEC 60529 IP42 vertical position conforming to IEC 60529 |
| Protective treatment | TC |
Offer Sustainability
| Sustainable offer status | Green Premium product |
| REACh Regulation | REACh Declaration |
| EU RoHS Directive | Pro-active compliance (Product out of EU RoHS legal scope) EU RoHS Declaration |
| Mercury free | Yes |
| RoHS exemption information | Yes |
| China RoHS Regulation | China RoHS declaration |
| Environmental Disclosure | Product Environmental Profile |
| Circularity Profile | No need of specific recycling operations |
Contractual warranty
| Warranty | 18 months |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.0 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
Holy grail for type 1 rosacea
Size: 1 Ounce (Pack of 1), Size: 1 Ounce (Pack of 1)
This has saved my face. I have type 1 rosacea and my skin has been pissed off for the last eight months straight. I have tried everything including compounded prescription creams that only made my face flare worse. I deal with a lot of flushing and burning that can be triggered by the slightest bit in temperature rise or just seemingly at random, especially at night. Since using this product my skin has calmed down drastically. It's only been a couple days, but so far I'm thinking this is a holy grail product for me. I also purchased the Glenser because the oil cleanser that I was using had fragrance and alcohol, which can be extremely irritating for rosacea. Since switching to Prequel I can honestly say my skin is so much happier and less reactive. Worth a shot if your a rosy girl like me.
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Reviewed in the United States on May 27, 2026
★★★★★ 5
A perfect edition to my Rosacea skincare routine
Size: 1 Ounce (Pack of 1)
Unfortunately, this doesn't fully get rid of the optical redness from my Rosacea, probably only about 30-40%. However, after using it consistently,(I'm now on my 2nd bottle, using at least twice a day), I have noticed that my skin is softer, less textured and definitely less red overall. My face gets super red especially towards the evening, but waking up in the morning I have noticed less and less redness. It kinda tingle/burns on my most sensitive areas where there's obvious inflammation, but the sensation fades as it totally absorbs into my skin. I wear it as a 2nd layer to my routine, and it wears well under makeup, just remember to moisturize after applying it, and before adding any makeup. It does also tend to pill up if you accidentally touch/rub on your face, so just be mindful of that. I am very satisfied with this serum and even gifted a bottle to my Mom. As a Rosacea Girly, I love this product and have permanently added it to my skincare routine.
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Reviewed in the United States on December 17, 2025
★★★★★ 4
Surprisingly effective
Size: 1 Ounce (Pack of 1)
I frequently have combo skin with oily, dilated pores on my nose and dryness in other areas. I got this to address blotchy redness (my skin can be especially reactive to too much moisturizer and/or too many actives). Redness Reform definitely helps to calm the redness, but I've been really surprised to see it also calming down my dilated pores and making my skin overall much more balanced.
With consistent twice daily application, I find I'm able to step up my use of retinoids and AHAs without seeing increased irritation. It's been so helpful for multiple concerns that I've already repurchased to make sure I have a new bottle on hand when this one runs out!
Giving 4 stars because I wish there were more product for the price. You can definitely get away with 2 small pumps to cover the face and neck if your skin is moist/hydrated after cleansing, but I find I'm liking to use just a bit more (4 pumps or so) to get really thorough coverage and hone in on the areas that need it most. The other reason it isn't 5/5 for me is because it's too thin to actually deliver on the promise of optical correction. Yes, it's green, but it's doing very, very little short-term to camouflage redness. I do like the consistency, because it does allow a little to go a long way and gives it a higher-end application feel, but it's misleading to suggest that you'll get meaningful color correction while using this product.
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Reviewed in the United States on October 14, 2025
★★★★★ 5
Love this serum
Size: 1 Ounce (Pack of 1)
Love this serum and have already gone through several bottles. It really seems to help with small red patches on my face and the arnica helps to calm imperfections down. Great value for the price !
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Reviewed in the United States on May 14, 2026
★★★★★ 1
NOT for rosacea or ocular rosacea!!
Size: 1 Ounce (Pack of 1)
NOT for rosacea!
I have rosacea and ocular rosacea.
I did a test on the side of my cheek. It seemed to go OK…. When I used it on my entire face, I paid for it for two days!! Caused a nasty flare. This product has GLYCOLIC ACID, very low levels of it, but it does nonetheless. It was a disaster for me.
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Reviewed in the United States on March 21, 2026