Wax coated with a rough texture. Gives off a soft, flickering, ambient glow. Twist off the bottom cap and insert battery at time you want the candle to start glowing. It will automatically shut off in 6 hours and will come on again the next day at the same time. To reset, twist the cap at the desired time enough to break the connection then twist back on. Requires 1 AA battery (not included). Holders sold separately.