Energy saving and high efficiency: 20W, 12V, 380 lumens, 2800K warm white, 360 beam angle, no strobe and uniform light to protect eyes Standard dimensions: diameter: 0.31&#34; (8mm), length: 1.18&#34; (30mm), Base: G4 Dimmable: This G4 halogen bulb is dimmable from 0% to 100%, allowing you to adjust the brightness to suit your needs. It starts immediately without delay Long Life: The lamp life can be up to 3,000 hours, reducing the pollution caused by frequent lamp replacement 20W G4 Halogen Bulbs G4 Bulb Information Easy to Install Easily installs in various g4 base fixtures. Lumen power: 380LM Power: 20W Input voltage: AC/DC 12V Beam angle: 360 degrees Base: G4 two-pin base Lifetime: 3,000 hours Color temperature: 2800K warm white g4 G4 Halogen Bulbs G4 Halogen Bulbs G4 Base Crystal Clear Bulb, 360 Beam Base: G4 2 pin with 0 pin distance, 16 (4mm) Shape: T3 Tubular JC Pin Width: 0.16 (4mm) Beam angle: 360 Lifetime: 3000 hours Instant on, no flicker, dimming < p>CRI&gt;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 rendering 2800K warm white light, like soft light, revel in pleasant atmosphere. Eliminate ;eye exhaustion caused by conventional fluorescent light, effectively protecting your eyesight.