This alligator clip is made to power 12 volt and 24 volt appliances emergent case use Clips attach directly to the car vehicle battery and use of high-power appliances, thereby protecting the car lighter. the red is positive and the black is negative. Widely Application: Battery Alligator Clamp Extension Cable are used to your lawn mower, trailer, sprayer, boat, RV battery, supply power for air compressor, air pump, car fridge, car cooler, cart fan and other 12v 24v device. A must-have for Outdoor Equipment: These are a must for keeping your motorcycle batteries alive for any motorcyclist. Easy to install and works like a charm this makes it easy to share the . Colour:black+red Material:plastic+metal Size:Cable length: about 90cm Package Contents: 2x Alligator Clips Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.