IPX5 for Outdoor: Made of plastic, Homemory Large Waterproof Flameless Candles are suitable for outside use as they are weatherproof and wont melt, can withstand the rain and sunlight, also work great in cold environment. Easy to Use: The switch on the bottom allows you to turn the outdoor waterproof candles ON / OFF. The Remote Control provide a 2H/4H/6H/8H timer options, which will save your trouble to turn the timer candles on/off because they will come back on automatically at the same time every day. Also, you can adjust the light modes(flicker/steady glow) and brightness level as you want.