Using this HATHOR wall light is easy. First, make sure to have a licenced electrician install it according to the instructions in the box. Connect it to a power source within the 100 - 240V AC 50/60Hz range. It can be used with 2 - way switching or with PIR or Microwave sensors. Note that it's not suitable for dimming. For maintenance, keep the light clean. Wipe it gently with a soft cloth. Avoid using harsh chemicals. This light is not suitable for harsh weather or heavy rainfall unless it's properly protected. If you're in such an environment, consider using an IP65 - rated fitting instead. Also, remember it comes with a 3 - year replacement warranty, so if there are any problems, you can get it replaced.