ac110v/220-240v input. with a stabilizer to protect the lamp. all items have stock, can be sent with express, fast delivery. this lamp is ip68 waterproof, led light source, green environmental protection, no pollution, 5 stars feedback for attracting fish. it can help fishmen catch more fish ealier. color can be white green blue yellow red or rgb for different fish. cable length can be extend from 5metres to 100metres. we have non-dimmable or dimmable with dimmer, dimmable with controller can controll the lamp brightness from dark to bright. led lamp board uses a reinforced chip for higher brightness. and with stainless steel, pc cover instead of glass, the lamp body is not easy to break..syi