Replace your old, hot, inefficient 12 volt halogen and Xenon G4 bulbs with new energy efficient Bee Green G4 12 volt LED Bulbs. Save energy, reduce heat. Packaged for savings in bulk packs of 5pcs. Choose from warm or cool white. Dimensions: OD 1.18″Pin Spacing approx 0.16″ (5/32″)Pin Length approx 0.25″Overall thickness approx 0.33″. Specifications: WARM WHITE: Power: 12-24 volt dc (10v-30v), 1.6 wattLumens: 140 lumens (*compare to 9 watts halogen) COOL WHITE: Power: 12-24 volt dc (10v-30v), 2.2 wattLumens: 165 lumens (*compare to 10 watts halogen) Colors: LED: warm white LED 3200k +/- 10% LED: cool white LED 6500k +/- 8% Additional Details: Contains fuse and transient suppressor to protect from current overload and voltage spikes.