The product is well suited for lighting door locks, which are not illuminated by other light sources. It is very reliable and will turn off after the specified time and again, so that the batteries last longer. The illumination intensity is also ideal for the needs and not too dark.
The motion sensor could be a bit better, it triggers with us starting at a certain distance to the front door, and sometimes just goes from the moment in which you want ansetzten the key. However, through a small wiper under the unit, the light goes straight again.