This outlet is specially designed for power rail systems. It is easy to install on top of rail slides, providing great flexibility and convenience. Features: 1. Track system design: The socket is designed to be installed on the power track and can slide along the track, making it flexible and convenient to use. 2. Shell material: The shell is made of aluminum alloy material and ABS material, which is light and durable, the built-in conductor is made of nickel-plated brass, and the carefully crafted structure ensures safe use. 3. Easy installation: Just insert the socket into the track and turn it clockwise to fix it, which is easy to install, remove or reposition. 4. Application scenarios: Charging solutions for offices, kitchens, living rooms, studios, shops, etc. 5. A variety of options: We provide a variety of socket specification options, allowing it to be used worldwide, you can choose the socket that suits you. Note: 1. Due to manual measurement, there will be a 1-2 mm error in the size. 2. Due to different light conditions and different monitors, the color of the product is slightly different, thank you for your understanding. Specifications: Material: Aluminum Alloy+ ABS Type (Optional): Square: Grey - Dual USB Grey - EU Plug 16A Silver - US Plug 15A Black - UK Plug 13A Round: Black - Dual USB Silver - EU Plug 16A Grey - US Plug 15A Silver - UK Plug 13A Shape Round Square Plug Type UK Plug US Plug EU Plug Dual USB UK Plug US Plug EU Plug Dual USB Rated Voltage 250V 110V 250V 110-250V 250V 110V 250V 110-250V Rated Current 13A 15A 16A / 13A 15A 16A / Item Size 7*7*2.9cm / 2.76*2.76*1.14in 7*7*2.9cm / 2.76*2.76*1.14in 7*7*3.7cm / 2.76*2.76*1.46in 7*7*2.9cm / 2.76*2.76*1.14in 6.8*6.5*2.9cm / 2.68*2.56*1.14in 6.8*6.5*2.9cm / 2.68*2.56*1.14in 6.8*6.5*3.7cm / 2.68*2.56*1.46in 6.8*6.5*2.9cm / 2.68*2.56*1.14in Packing Size 8*7.8*5.2cm / 3.15*3.07*2.05in 8*7.8*5.2cm / 3.15*3.07*2.05in 8*7.8*5.2cm / 3.15*3.07*2.05in 8*7.8*5.2cm / 3.15*3.07*2.05in 8*7.8*5.2cm / 3.15*3.07*2.05in 8*7.8*5.2cm / 3.15*3.07*2.05in 8*7.8*5.2cm / 3.15*3.07*2.05in 8*7.8*5.2cm / 3.15*3.07*2.05in Net Weight 82g / 2.89oz 82g / 2.89oz 82g / 2.89oz 82g / 2.89oz 80g / 2.82oz 80g / 2.82oz 80g / 2.82oz 80g / 2.82oz Gross Weight 105g / 3.70oz 105g / 3.70oz 105g / 3.70oz 105g / 3.70oz 105g / 3.70oz 105g / 3.70oz 105g / 3.70oz 105g / 3.70oz Package List: 1 * Adapter 1 * Instruction Manual ( English )