These surface mount underwater lights are made from non-corrosive and chemical resistant polymer which totally encapsulates the LED's and has an IP68 totally waterproof rating.
The 6 x 3 watt Samsung LED's have a 50,000 hour life and an effective Lumen rating up to 710 lumen for the white light and 159 Lumen for the blue colour light.
The light comes supplied with a rubber wiring grommet and gland with 1.5 metres of wiring and S/S fastening screws.