Konstsmide's lamp is manufactured from metal. This lamp should be used outside, so that you can enjoy your garden even after dark.
From Amazon
Konstsmide Outdoor Wall Mains Cremona Up Down Adjustable/LED High Power 3 x 3 W Lamp/Clear Glass and Frosted Acrylic/Aluminium/IP54/Outside Light Anthracite, Aluminum, 9 W
Wayfair
Cremona 2 Light Wall Sconce