High brightness Low heat dissipation Low brightness degradation Long lifetime MR16 LED Lamp Model: MR16-P21H Description:Base type: GU5.3 LED.: 21pcs of 6.5-7.5LM LEDExcellent cooling system with super heat dissipation 6-17V input, 1.05W No need to change transformer if replacing 12V halogen Driver and LED PCB are separated for better heat radiation Plastic body with cover12H, 15H, 18H, 20H, 30H ...