Below is the spec of ELLA fittings:

1W IP65 EYELID MARKER LIGHT / DOWNLIGHT 

• 100 Lumens
• LED Chip – Osram
• Beam Angle 30°
• IP Rating – IP65
• Series Wired
• Anti-Glare
• Faceted Len
• Polycarbonate Embedded Sleeve available
• Range of colour finishes available
• Eyelid Bezel, Up & Down Bezel Options Available
• Available in 2700K, 3000K & 4000K
• Dimension 26 x 30mm, Cutout 25mm
• 2 year warranty

This fitting is supplied with a pre-wired inline waterproof driver which fits through the cut out hole for the fitting. If being install outdoor the driver must housed in a waterproof encloser such as a Waterproof Box.

See below datasheet link:

Ella In Ground Light - Datasheet PDF