DC12-24V 8A IR Wireless Remote Control Adjust Dimmer for Single LED Lights Strip

on today on the bench we have some Chinese technology it's a LED single color dimmer this is a this a radiofrequency dimmer rather than ir-1 this is the radiofrequency key fob remote yet which has an on/off button and an up/down brightness button connected is a five meter to reel of just white LEDs the specification on his first 12 to 24 volts input a tamper maximum so we've got connected to the input side bench power supply set to pretty much 12 volts just over two months and then the output is connected directly to the LED string so if I hit the power you can see right Lee let's LEDs so can you guess what's gonna happen that's right it doesn't work so that doesn't doesn't seem to have any effect so I see both of those nope it doesn't work what surprise a a false would be a good idea then based on the cost I should have known better well let's have a look inside and see if there's anyt