Durable IP68 recessed underwater fountain light with stainless steel body, watertight encapsulation, RGB options, dimming support, and PVC mounting sleeve.4th series Recessed Underwater(Fountain) Lighting IP68 – The IP68 rate permits a total protection against the entry of solid objects and dust and the entry of liquids in permanent immersion up to 3 meters depth. All products made by entire Stainless Steel with passivation treatment. – Heavy-weight construction is filled and sealed with more than two types of premium encapsulant to ensure the fixtures are completely watertight. – RGB multi-in-one LED available. – Dimmable Support : Triac / PWM / 1-10V / Dali / DMX512 – Stainless Steel front cover and lighting body. – Incl. PVC mounting sleeve.