... battery 3, Color changing 4, CE & RoHS Romantic electric candle lightReminder: Picture only for reference, details please ... 40-50 hours continuously while LED can last up to 100,000 hours Rechargeable series:1, 4pcs ... 12pcs/set2, long-lasting LED's last up to 8 hours on a single charge3, Base ... charges up to twelve candles simultaneously4, LED color available: Yellow ...