Electricity saving: G4 1.5W LED bulb can replace 15-20W halogen lamp. Exceptional lifespan of up to 25，000 hours It saves up to 90%-93% energy. It produces less heat and lasts longer than halogen lamps. AC/DC 12V; CRI>80， CRI>80 ensures vivid visual enjoyment with original colors. Comfortable Light: The G4 1.5W LED bulb emits 6000K cool white light and 180LM from a 360 beam angle. Created a warm and cozy atmosphere. Perfect bulb for your chandelier， kitchen hood， desk， floor lamp， ceiling light， etc. Ideal for bedroom， bathroom， living room， gallery， etc. Easy Installation: Standard G4 base， easy and quick to install. The size of the G4 1.5W LED bulb is 12*36mm. Its size is a little larger than the average halogen lamp. Please check the size before purchasing. Notes: If the G4 LED is flickering， please add 1-3 standard halogen bulbs in the LED bulb assembly (due to low consumption energy， the circuit will become unstable， so the LED flickers). Please do not use these bulbs with a dimmer. If plugged into the 220V power supply， a transformer is needed.