Energy saving and high efficiency: 20W, 12V, 380 lumens, 2800K warm white, 360 beam angle, no strobe and uniform light to protect eyesStandard dimensions: diameter: 0.31" (8mm), length: 1.18" (30mm), Base: G4Dimmable: This G4 halogen bulb is dimmable from 0% to 100%, allowing you to adjust the brightness to suit your needs. It starts immediately without delayLong Life: The lamp life can be up to 3,000 hours, reducing the pollution caused by frequent lamp replacement20W G4 Halogen Bulbs G4 Bulb InformationEasy to InstallEasily installs in various g4 base fixtures.Lumen power: 380LMPower: 20WInput voltage: AC/DC 12VBeam angle: 360 degreesBase: G4 two-pin baseLifetime: 3,000 hoursColor temperature: 2800K warm whiteg4G4 Halogen BulbsG4 Halogen BulbsG4 Base Crystal Clear Bulb, 360 BeamBase: G4 2 pin with 0 pin distance, 16 (4mm)Shape: T3 Tubular JCPin Width: 0.16 (4mm)Beam angle: 360Lifetime: 3000 hoursInstant on, no flicker, dimming< p>CRI>99 (Color Rendering Index), makes you see colors as they are meant to be seen.G4 bulb, no warm-up time, instant on at full brightness .High color rendering2800K warm white light, like soft light, revel in pleasant atmosphere.Eliminate ;eye exhaustion caused by conventional fluorescent light, effectively protecting your eyesight.