The voltage is 12VAC/DC ( Non-polarity).you can install our G4 lights into the G4 base ignoring "Positive" or " Negative".  With high-quality aluminum fixture that is good for heat dissipation  Equipped with power LED light source  Shockproof, moisture-proof and anti-distortion  For indoor use  LED quantity: 1 piece  LED specification: 2 chips  Chip size: 2 x (24 x 24)  Voltage: 12V DC/AC 45mA  Power: 1W  Viewing angle: 170  Colors: warm white, cool white, red, yellow, blue, green, amber, purple, pink  Warranty: 2years  Packing: blister card or anti-static bag