This doesn't seem to effect the console in anyway. console works perfectly and there are no scratches on the screen but there are a couple of things you should not before buying.
eBay
XikeStor 9 Ports 2.5G Simple Managed Switch 8*2.5G RJ45 1*10G SFP+ Ethernet Switch Support VLAN Division/Link Aggregation
Aliexpress UK
Up for sale is a pre-owned 2017 Nintendo Switch in excellent condition. Model: 2017 Nintendo Switch. This Nintendo Switch is perfect for anyone looking to get into the world of portable gaming, or as an upgrade to your current setup!
eBay
Cloud-managed Gigabit Ethernet Switch 8 Port Network Switch 48V POE Network Extender Desktop 100/1000Mbps SFP APP Managed Switch
Aliexpress UK
This product is a Nintendo Switch Console in good condition, with red Joycons. It includes an HDMI, charger, and a custom dock. The handheld system has a 32GB storage capacity and features Wi-Fi capability. With connectivity options such as a headphone jack, HDMI, and USB-C, this Nintendo Switch provides a versatile gaming experience for users. Perfect for gaming on the go or at home, this unit is a must-have for fans of the platform. Some age related marks as to be expected. Working perfectly, reading games well. Comes with HDMI lead, charging lead, case, red joycons, custom Power Lead retro arcade game dock which is quite quirky and stylish. Charges well.
eBay
Industrial Ethernet Switch Gigabit POE Industrial Switch Network 6/10 Port 10/100/1000Base-T DIN IP40 Outdoor Network Switch
Aliexpress UK
The Nintendo Switch HAC-001 is a handheld gaming system by Nintendo, featuring a sleek design with dimensions of 9.4 inches in length, 0.55 inches in depth, and weighs only 0.3 kg. It has a storage capacity of 32 GB and offers Wi-Fi capability for online gaming. With HDMI connectivity, users can easily connect the Nintendo Switch to their TV for a larger screen gaming experience. The region-free feature allows players to enjoy games from around the world, making it a versatile and popular choice among gamers. Made in Japan, this Nintendo Switch model is a must-have for gaming enthusiasts. Comes with everything shown in the pictures. Extra set of joy cons, joy con charging unit, all cables, 1 screen protector and joy con accessories All in very good condition
eBay
ENTUOIA Dimmer Light Switch Rotary Knob Switch Glass Frame Mechanical LED Dimmable Switch Wall Mounted Switch EU Russia Switches
Aliexpress UK
Very good condition, few scratches from general use but overall in good shape.
eBay
1PCS 3A 250V On/Off Waterproof In Line Switch Cord Switch Round Wire Silver Contact Double Cut Switch Dust Switch Cord Switch
Aliexpress UK
The product is a used Nintendo Switch 32GB in Grey, manufactured in 2018. It is a handheld system with Wi-Fi capability, featuring a sleek grey design. This model does not come with a box or Joy-Con Grip Controller Holder, making it perfect for those looking for a portable gaming experience without additional accessories. The Nintendo Switch offers a versatile gaming experience, whether played on the handheld system or connected to a TV for gaming on the big screen. Included - Switch 32gb, Joy-Con, Joy-Con wrist straps, dock, HDMI and power cable. No box or Joy-Con Grip Controller Holder Some scratches on console and doc but screen is good.
eBay
Keyboard Switches Lube Station Switches Lubricate Plate Switch Lubricant Workbench Switch Lube Platform Switch Tester pad
Aliexpress UK
Nintendo Switch with a Skull & Co. GripCase Set: A Dockable Protective Case with Replaceable Grips Switch in good condition have always had a screen protector on it so no scratches on the screen, no stick drift, comes with charging cable and HDMI cable, a few scratches on the Doc  Any question, please ask, thank you For looking.
eBay
5PCS Slide Type Switch Module 2 3 4 5 6 7 8 9 PIN 2.54mm DIP Red Pitch Toggle Switch Red Snap Switch Dial Switch Side DIP Switch
Aliexpress UK
Nintendo Switch in C condition due to the analogue stick wear and no kick stand. Neon red and blue joycons. This is a GB only sale. Gen 2 console.
eBay
300A Car Battery Switch Circuit Breaker Main Switch 2 Screw Terminals Cut-off Switch Insulated Rotary Switch Key Cut Off Switch
Aliexpress UK