as input and stairwell lighting in use

We have this lamps in an apartment building with 5 floors as input and stairwell lighting in use. There is through a doctor's office on the ground floor and a physical therapy on the 1st floor bustling with activity and the number of starts is impressive. Even the staircase lighting switch has an off warning, in which he will flash three times before the light goes out completely. So far, no failures can be reported (6 months in operation). The illumination is very bright and evenly.

Briefly some general things ...
Packing:
The bulbs will be delivered in the outer carton displayed. Worth mentioning are the detailed information, which are on the outer packaging available. Elsewhere, you only get a white box, in the hope that it contains what was purchased. The light source is protected in a box again additionally by a cardboard so that it is fixed.

Processing:
After unpacking the light bulb you think a stable, well-made lamps in their hands - no sharp edges and also the shaking test gives no loose or rattling parts in the component. The weight is of course a little more than a normal light bulb.

Installation and switching on:
E27 - what do you want more. Rein turning, turn, 100% light. Here it should be mentioned also that the lamp does not flicker when you turn short, or on delays. Important - This light bulb is not dimmable.

Light color:
Due to the light color of 3000K, this lamp is especially recommended for use in offices and workrooms, kitchen, children's rooms, hallways, stairwells and outdoor lighting.