Group control: You can create a group for all your smart devices and control them with a single remote control. Start your smart life in 4 steps: Download the application by scanning the QR code, install the GU10 lamp, reset your WiFi and use the application to control the WiFi bulb. This smart GU10 bulb does not require a hub, allowing you to save money. It can be used as a common LED light and also for special purposes thanks to its multifunctional design. Approved by CE and RoHS, it does not contain lead or mercury, which is beneficial for the environment. Made with high-quality LED chips, it can save up to 80% energy compared to a common bulb. Adjust the brightness smoothly. Specifications: Package of 2 pieces (dimmer), CRI: > 80Ra (vivid and natural light), Voltage: 220 V-240 V, Power: 5 W (equivalent to 50 W), Color: Multicolor (RGB), Luminous intensity: 420lm, Material: Aluminum and plastic, Beam angle: 120 degrees, Operating temperature: -25 degrees - + 45 degrees, Lifespan: 30,000 hours.