... 2, CE and RoHS 3, Color changing LED 4, Remote control can be mat led rechargeable candlesReminder: Picture only for reference, details please ... operate for 40-50 hours continuously while LED can last up to 100,000 hours Rechargeable series:1, 4pcs/set or 6pcs ... /set, or 12pcs/set2, long-lasting LED's last up to 8 hours on ...