The Maytronics Dolphin Dynamic Power Supply with Timer 9995678-US-ASSY is a versatile accessory designed for use with a range of Dolphin robotic pool cleaners. This power supply features a built-in timer for convenient operation and is compatible with models such as the Supreme M4, M5, M400, M500, Neptune Plus, DX4, DX4s, DX5s, DX6, Apollo, Apollo Windo, Apollo Plus, Apollo Plus with Remote, Triton, Triton Plus, Edge, Edge Dynamic, Discovery, Wave 50, Wave 75, Premier, Spectra Light, Premier Deluxe 5, and Deluxe 4. Please note that the cord 5898412LF is sold separately for this power supply.