Function: 1. Using high quality SMD2835 beads, high brightness but not blinding, soft lighting, no flickering, no buzzing, no glare, stable use and better eye protection. 2. 3. Convenient installation, adopting GU10 international frame standard, convenient installation and easy replacement. 4. The lampshade is made of high quality aluminum PC material, which improves the luminous efficiency and ma good heat dissipation effect, which greatly extends the working time to 50 000 hours. 5. Specification: Item Type: LED Bulb Material: Aluminum PC Color: as shown in the picture! Maximum diameter: about 5 cm/2,0 inch Total height: about 6cm/2,4inch Weight: Approx. 38g/1,3 oz Application: Indoor Lighting Voltage: AC100-240V Power: 5W LED colour temperature: white light 6000 K Luminous flux: 500LM Lamp holder: GU10 Angle: 180 Ambient temperature: -20 45 List of packages: 4 x LED bulb