Set: Single Power: 50w Material: Metal Buyers can return item(s) for a refund within 7 days from the day the item(s) were received, and the buyer is to afford the return shipping cost. The item(s) must be returned in the same exact condition as once it was delivered. Buyers can receive a partial refund, and keep the item(s) if they are not as described or with quality issues by negotiating directly with seller within 30 days from the day the item(s) were received.