Are there any keyslots/holes on back to mount this to wall?

There are no mounting holes like on most power strips. . Nothing on the back but the Skid Pads, so it stays in place.

That is a good question and I did not look at that when I bought it. It does not have any UL listed on the plug anywhere that I could find. I checked a couple of my other multiple strips and they also do not have any UL listed on them. I guess I will be looking for new ones in the new year.

how do you contact the seller? 2 USB’s stopped working 7 months after purchase

Reach out to Amazon if you can't reach them the product is no longer working they should be able to ship you a new one or be your go between the seller

ASIN	B07V32PJ59
Best Sellers Rank	#774 in Electronics ( See Top 100 in Electronics ) #84 in Power Strips
Customer Reviews	4.7 4.7 out of 5 stars (29,486)
Date First Available	July 8, 2019
Item Weight	10.7 ounces
Item model number	THU6106A
Manufacturer	One Beat
Product Dimensions	4.35 x 4.08 x 1.1 inches

Power Strip with USB C, 3 Outlets 4 USB Ports 4.5A Desktop Charging Station, Travel Power Strip Flat Plug and 5ft Braided Extension Cord for Cruise Ship, Home & Office - White

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