With the 5V voltage and 3A current, it supplies enough energy (15W) for the new Pi4 board. It is specifically designed for the Raspberry Pi 4 Model B and cannot be used with older models of the Raspberry Pi. The housing is made of robust black plastic, the cable length is approx. 1.5 meters. This means you can easily reach the nearest socket.
Product details:
specifically for Raspberry Pi 4 Model B
Output via USB Type-C
5 volts and 3 amps (15W)
about 1.5 meter MicroUSB cable
Integrated protection against short circuit, overload and overvoltage