... 3.3 years Warranty 4.CE&ROHS approval high quality 20W 6" Led down light About FOREVER- ... Aluminum alloy die cast housing , good strength, high quality heat dissipation, low lumens degradation . Beam angle ... ,dust proof and shake proof light body.3. External transformer, easy to install and maintain. The light ... no short-circuit, and then power!6,In case of failures, do not maintenance in private.Thank ...