This listing is for a Balboa MVP260 VL260 topside (Control panel) as shown in the picture. Compatible With: GS500, GS500Z, GS501, GS501Z, Duplex Control Systems. Spaform Esperanto range, Serenity Spas and more. Button Configuration: BLOWER, JETS, TEMP and LIGHT Telephone cord style connection LCD, basic 3 digit style 4 button overlay included - different overlays are available - please ask. Fitting available - please check other items out for other hot tub parts - if you can't find what your looking for - Please ask