5M Black PCB 5050 RGB LED Strip Waterproof IP65 300 SMD Black PCB Board DC 12V Flexible Light

Very old RGB strip, 12 volt, 60 LEDs per meter. Claimed to be waterproof. You have to clean the silicone off the pads to solder them together. This has black PCB but is the same thing : https://www.amazon.com/Black-Strip-Waterproof-flexible-Connector/dp/B01D4Y7Z4C