LED Underground Light Shell for MR16 Bulb, IP65 Stainless Steel & Aluminum, Embedded Fit

The 1-UG4.33-MR16 is an underground LED light shell and base designed for MR16 (GU5.3) bulb types. Constructed from 201 stainless steel and aluminum with a black finish, this fixture is intended for embedded in-ground installation in outdoor commercial and landscape applications. The bulb is not included, allowing specification of the appropriate MR16 lamp for the project. The fixture supports an input voltage range of AC 85–265V and carries a rated working lifespan of 30,000 hours. It is rated for operating temperatures from -30°C to +50°C, making it suitable for a wide range of climate conditions. Overall dimensions are 110mm diameter by 130mm height, and unit weight is 0.4 kg. This fixture carries an IP65 rating, confirming full dust-tight protection and resistance to low-pressure water jets — appropriate for grade-level outdoor installations. Electrical installation class is Class I. A 0.4M lead wire is included. Warranty terms should be confirmed with your Poli LED & Signs account representative at time of order.