The word KVM is doing a lot of unearned work on Amazon. A good number of the switches selling under that name have no HDMI socket anywhere on them, which means you are still reaching behind the monitor every time you swap laptops. UGREEN's does move the screen, the keyboard and the mouse on one press. Whether it moves your keyboard at all comes down to two cables most buyers ignore.

Your cabin bag gets taken at the aircraft door because the flight is full. It is going in the hold, and the battery inside it cannot. That one moment decides which power bank you should have packed, and it is not the biggest one you are legally allowed to carry.

ISOtunes built a volume ceiling into these on purpose, and it is the single thing the angriest reviewers hate about them. Whether that ceiling ruins them for you comes down to a question nobody asks first: what do you actually mow with?

A front-and-rear dash cam records the car that cut you up. It does nothing about the passenger behind you at one in the morning who decides the fare was never agreed. The IIWEY N5 turns two infrared cameras inward to cover the cabin, and whether that is enough comes down to what those lamps actually show once the streetlights run out.

One buyer says the difference against his old cheap adapter was like chalk and cheese. Another, listening through a Benchmark DAC and a Cyrus amplifier, says it sounds like pillows are covering his speakers. Once you know which socket each of them plugged into, both make sense.

Your greedy cat clears the other one's bowl before she has finished sniffing it. A chip-reading lid is supposed to end that, and for most owners it does. The ones it failed keep describing the same two gaps, and both are fixable before you buy.

A camera on the gable end has no plug socket anywhere near it. That is the entire point of PoE, and it is why the box at the other end of the cable matters more than most people think. With this NETGEAR, one number decides everything, and it is not sixteen.

Your router has no battery. Your phone does, your laptop does, but the box that hands them the internet dies the instant the lights go out. A paperback-sized DC UPS fixes that, and the British reviewers here are largely sold. The catch is a barrel plug narrower than a pea.

Your UPVC front door probably has the euro cylinder this lock is built for. That is the good news. The catch sits inside the cylinder itself, and a locksmith bill is what it costs to find out the hard way.

Screw fittings get all the good smart bulbs. Bayonet gets whatever is left over, which is why nearly every UK search for a B22 colour bulb lands on the same Tapo. For most homes it is the right answer. For homes whose router hides its 2.4GHz band, it is a fortnight of swearing, and nothing on the box warns you.

Take the faceplate off a UK light switch and there is usually no neutral wire behind it, which quietly rules out most of the smart switches on Amazon. This matchbox-sized SONOFF is the workaround the smart home crowd keeps landing on. Whether it works for you comes down to your back box and your hub, not the switch.

Every Vinted sale ends with a label to print, and most sellers still queue at a counter or tape an A4 printout to the bag. The JADENS 4x6 ends both habits in about a second a label. One catch: order the wrong label roll and it will not fit inside the printer.