Made out of an insulating PPO material shell with an IP67 Waterproof rubber ring. The thickened copper core helps with faster transmission. With a self-locking mechanism, the connection is made through compression and is not easily disconnected. Compatible with PV cables with different insulation diameters (2.5m㎡-- 6m㎡/14AWG -- 10AWG). Colour: Black Housing material: PPO insulating material Core material: silver-plated copper, open type Insertion resistance: 1mmΩ Insertion force: ≤ 60N Extraction force: ≤89N Waterproof Grade: IP67 Wiring specification: 2.5/4/6mm² Working voltage: ≤DC1000V Temperature range: -40°C - 125°C Size: 10.7cm x 1.8cm Weight: 0.2kg Note: This product contains only the 10 pairs connector set, no other items are included. Due to different lighting and screen settings, the colour of the item may differ slightly from the picture. Due to manual measurement, please allow a slight difference in dimension. What's in the box? 10 Pairs of solar panel connectors (male & female) 10 Pairs of solar connectors pins (male & female)