... ~40°CInput voltage AC 12V 85V~260VOptional lamp holder MR16 GU10 E14 B22 HIGH POWER LED SPOT LIGHT FEATURESUtra-low ... at 70% or more.Using single-crystal core lamp beads, the light flux than the integrated chip ... , and easier to distribute heat, more long-life lamp beads.Good thermal structure design, the chip heat can ... be fully released, life of lamp beads up to 50,000 hours~80,000 hours ...