A battery-operated option for lighting up a fireplace or stove, or for use anywhere you need a blinking light. (The owner added it to a stuffed crow on the halloween wreath.) The brass disc holds a replaceable 3V lithium button battery and has an on/off switch and 10" white wire. Battery will last up to 50 hours. The LED bulb appears clear and blinks red when turned on. The bulb will burn for at least 4,000 hours. Back plate of disc is magnetized.