color can be white green blue yellow red or rgb for different fish. cable length can be extend from 5metres to 30metres. we have non-dimmable or dimmable with dimmer, dimmable with controller can controll the lamp brightness from dark to bright. light board uses a reinforced chip for higher brightness. and with stainless steel cage to protect the lamp body is not easy to break. this lamp is ip68 waterproof, led light source, green environmental protection, no pollution, 5 stars feedback for attracting fish. 12-24v input, connect to the battery with the strong clips. all items with stock, can be sent with express, fast delivery..syi