724Light Diy PB-AP-FML-B27-60W LED Floodlight Shell can use 60*1W LED(Not Included),the connection way is 15 Series Connections 4 Parallel Connections, with Waterproof Lens, waterproof level is IP65.The heat sink and shell integration design, good heat dissipation, easy to DIY install. (not include the led driver and led light)