Specifications: Type: DC Power Connector Material: Zinc Alloy Plastic Size: Overall Dimensions: 6.2 X 1.4 X 1.2 cm (LWH) Internal Diameter: 2.1 mm External Diameter: 5.5 mm Weight: 12 g Colors: Green Black Silver Type: DC Power Pigtail Cable Material: PVC Copper Galvanized Size: DC Plug: 5.5 X 2.1 mm Cable Length: 25 cm Weight: 14 g Color: Red Black Package Included: DC Power Connector X 10 Pairs DC Power Pigtail Cable X 10 Pairs Screwdriver X 1 Pcs Note: Using current not exceed 2 Amps for appropriate. DC Power Connector Advantage: Good transmission quality, energy saving, high reliability and cost saving. Best choice for short line equipment, no power required. Support power for LED RGB strips, DC connect using, CCTV camera accessories. The connector is very easy to install which save your time. Internal diameter: 2.1 mm. External diameter: 5.5 mm. DC Power Pigtail Cable Features: Connector Polarity: Inner positive (Red line); External negative - (Black line); Wire Gauge: 22 AWG Connector Length: 25 cm DC Plug Size: Outer diameter 5.5 mm, Inner diameter 2.1 mm. Transmission Voltage: 1 38V Transmission Current: 1 2A (12V) Transmission Power: Maximum 60W Operating Temperature: -50C 70C.