Housing Material : Die-casting aluminium Lamp Base : MR16 Size : φ50mm Color : RED / YELLOW / BLUE / GREEN / WHITE / WARMWHITE Led Power :3x1W Beam Angle : 150/300/450/600/180o Input Voltage : AC12V Life Span : 50,000 hours Ambient Temperature : -20C~40C Long lifetime,Environmental protection,Low power consumption,Low heat emission Low cost