The remote (sold separately) controls candles within a 12' radius. Crafted from all-weather resin that looks like real wax. Patented wick provides an ultra-realistic look. Each candle operates on 2 "D" batteries, not included. Miniature drain holes allow moisture to drain out. Controlled by a convenient remote, our Battery-operated Flameless Outdoor Candles create instant ambiance with the touch of a button. These candles have a realistic, flickering glow that creates candlelight without the mess or inconvenience of real candles. A 24-hour timer with 5- and 10-hour modes turns candles on or off at the same time each evening. . . . . . . Patented, realistic looking wick. Rust-resistant stainless steel housing protects interior circuitry Note: Not for use with spiked candleholders.