AstralPool Australia. Australia's Leading Pool Brand. Take your pool and spa lights to the next level by going wireless. The Halo Lite App allows you to connect to your AstralPool Halo Lite controller using Bluetooth. Once linked, this app lets you control all the major functions of your Halo Lite device. With the simple-to-use interface, you can turn your lights on and off, change colours (If multicolour lights are fitted to your pool/spa) set Timers to turn your lights on automatically etc