Specifications: Material: nylon, copper Packaging: 1PC Size: As picture Color: Black Input: DC 12V-24V Output: QC3.0,PD3.0, QC3.0:36W, PD3.0:30W Reverse protection: This product has reverse protectio more→n Product line length: with 12 cm cable Features: flame-retardant nylon material odorless and durable Wiring Method: the black wire to the negative pole, and the red wire to The positive pole Installation method: First look at the small round hole, drop wire into it, tighten the screw Usage: Support mobile phone, tablet computer charging, and car electrical appliance use. All vehicles with operating voltage of 12V-24V can be installed and used. Description: No Need to Drill Large Holes ,