12V AC/DC G4 LED Lamp: The working voltage of our G4 LED lamp is 12V AC/DC. The marked voltage of the capacitor is 16V. This is not the working voltage of the LED lamp. In order to extend the lifespan of LEDs, theCapacitor voltage must be higher than the actual operating voltage. EYE PROTECTION: Non-dimmable, 6000K cool white light, 82+ CRI, 360 beam angle. g4 led bulb can be immediately switched to full brightness, no flicker, no radiation, no buzzing. Rendering index ofvery high colors (Ra>82) for a pleasantly cool white glow of 6000k. CE and RoHS certified. Easy installation: 3W g4 led bulb is not dimmable, please do not use it with a dimmer. Standard G4 lamp base, easy and quick to install. Size: 37*10mm, please check the bulb dimensions before purchasing HIGH PERFORMANCE: AUTING G4 LED Bulb, The silicone body of the G4 bulb has good heat dissipation and the light transmission is very good, effectively reduces light attenuation, improves the service life of the bulb.product. Wide application: G4 led bulb ideal for use in cabinet lighting, kitchen wall lights, ceiling lights, table bulbs, accent lighting, displays and landscape lighting.