Base Type: MR16Input Voltage: 12V AC/DCPolarity: Bipolar ProtectionEfficiency: >80%Output Power:3WLuminous Output: 160 lumenTotal Size: H90×L50±1mm (including pins)Light Source: 3*1W High Power LEDOperating Temperature: -20~45 Degrees CelsiusStorage Temperature: -30~65 Degrees Celsius Brightness Attenuation: 3%-5%1KH Life Span: 50,000 Hours Weight: 85g ±5g Aluminium Housing