RV LIGHTING Value-Pack of Eco-LED Cold White LED G4 Bulbs, each with 12 SMD 5050 & Back (90&deg; Angle) Connector (GG4-CW12M6) 12 SMD 5050 LEDs in COLD WHITE (6000K-6500K) Input voltage 10-14V DC, output lumen of 172-185 LM, total watts of 1.8 W & consumption of 0.155 A LED replacement for 12V DC halogen bulbs parts # JC10W and/or G4. Uses constant current mode, giving a constant brightness, no matter the voltage variation. Designed to last &gt;50,000 hoursan overvoltage protection preserves efficiency throughout its lifetime.