This directional lamp is also available in untreated brass and can be fitted with a glass

and red paints are particularly sensitive in this respect

see below under related products

Brush width: 100 mm

Ringklockeknapp - Rund mässing Tillflager This directional lamp is alsoThe diameter is 51 mm (2 in.) and the depth is 20 mm (0. 87 in.), including the push button. The back builds 11 mm (0. 43 in.) into the wall door, and a hole with a diameter of at least 15 mm (0. 59 in.) is required behind the push button. Comes with three 17 mm (0. 67 in.) brass screws for mounting. Used together with a doorbell and doorbell transformer for a complete installation. Doorbell and transformer are sold separately, see Related Products.