Amass AS150U Plug is specially designed for drones like multicopters and VTOL etc.This anti-spark connector has 4 signal pins and long silicone wire protction cover which is safe and reliable. Specifications: Model: AS150U with Long Sillicone protective cover Material: Gold-plated copper Contact resistance: 0.40m Rated voltage: DC 500V Rated Current: 70A Instantaneous current: 140A Use time: 1000 times Flame retardant rating: UL94 V0 Insulation material: PA66 Recommended wire: 8AWG Operating temperature: -20C to 60C Your Purchase Includes: 1x Pair of Amass AS150U Plug(Male and Female)