Features: Made of high-quality materials, sturdy and durable. Silver-plated contacts - provide longer life when used in high power, high temperatures. Terminals can be crimped or soldered to the cable. Unique feature: Mechanically keyed housing - prevents accidental mating of components (each connector plugs into another - no male and female versions available). Housing - Provides industrial strength and durability. Genderless design - makes assembly quick and easy and reduces the need for high inventory (only one part to stock!). Flat Wipe Contact System - A wiping action cleans the contact surface upon disconnection. Specification: 50A Rated voltage: 600V Contact material: copper silver Fire protection class: UL94-V0 Operating temperature -20C to 105C 50A applicable wire diameter: 12-6AWG Protection class: IP20 Suitable for installation and use in high-end large vehicles such as ships, yachts, RVs, and buses. Due to different batches, the actual product may have slight differences or color differences, which does not affect use. Material: plastic Color: Gray Package contents: 10 x battery connector 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 to be a little different from the real thing. The allowed measurement error is +/- 1-3cm.