The ROMEO Zero is a mini red dot sight that has a durable polymer housing and is meant for use on thin pistols like the P365 series and even the 1911. The sight installs with two screws that come down from the top, not the bottom.
Specifications:
Sight Window: .72 in x 61 in / 18.3 mm x 15.4 mm
Battery: CR1632
Windage: 120 MOA
Elevation: 120 MOA
Brightness Settings: 8 Daytime Settings
Battery Life: Up to 10 years
Weight: 0.4 oz / 14 grams