The rechargeable LED bulbs 4 in 1 combo offer is abundant with triple LED Ezaka. This combo pack includes 4 rechargeable LED bulbs. These bulbs work for 5 hours. To recharge these LED bulbs it needs 8 – 10 hours. Power supply required is AC 110-240V 50/60Hz. Fast Track Electronics is the brand behind this combo offer. To know more about this offer just visit the below link.