Safe Remote Control & Timer function: When these waterproof flameless candles are placed where hard to reach, you can control them freely and remotely within 50 feet. Set a 2H/4H/6H/8H timer and they will turn on automatically at the same time every day. Also you can adjust the light mode (flicker/steady glow) and brightness level as you need. Unlike other remote control, our remote control uses 2 AAA batteries(not included)IP44 Waterproof: Our flickering flameless candles are made of plastic with IP44 waterproof which is excellent rain and dust proof. There is a waterproof rubber ring has been pre-embedded at bottom of the candle. The screw-on waterproof bottom cap protect batteries and switch. Suitable for indoor and outdoor. It is worth noting that our wick and candle body are integrated, this unique design will greatly improve the waterproof. Tips: The screw-on bottom cap should be tightened.