Working condition: Our LED light strip connectors are able to withstand up to 4A current and 0 - 24V (5V, 12V, 24V) voltage, the heat resistance level is -20 - 100, they are suitable So most non-waterproof Lights SMD 5050 RGB 4 pin 0.39 inch / 10mm wide, and you need to be careful to use them correctly to ensure safety and extend life. Card Cut-off PCB: The PCB is cut-off, so you can use a cutting tool to cut the T-shaped, L-shaped and X-shaped PCB into any shape you want to make it easier to connect the PCB. various shapes of light strips, just use your imagination to DIY special light strip Please cut the LED strip according to the cut mark when you want to change the shape of the PCB. Easy to install: the LED strip connector clip can be easily or green and closed, you can quickly slide the rgb strip into the connector clip without any tools, please make sure the polarity of the connector "+ -" is in line with "+" of the strip before connecting it. Widely applicable: 5050 LED strip connectors are suitable for standard density strips or DIY LED lights, for corner connection, and can decorate Christmas trees, parties, birthdays, weddings, parties and other scenes according to your own needs. Package includes: you will get 40 pieces of 4 pin LED connectors, 10 pieces of L-shaped printed circuit boards, 20 pieces of printed circuit boards T-shaped, 5 pieces of X-shaped circuit boards and 20 sets of screw fixing clips, which can meet your different needs in daily life.