1. Intelligent voice control, hands compatible with Alexa (Echo, Echo Dot, etc.) and Google Home. Simply turn devices on and off by voice—the convenience of home automation is within reach! 2. Full control via app RF. Manage your lights and devices from anywhere via your smartphone with the Tuya or Smart Life app (compatible with iOS/Android). Alternatively, use the practical switches in the kit. 3. Ultraeasy installation. Mini design (47 x 42 x 23 mm) fits EU flushmounted boxes. Installs easily between power supply and device, no complicated wiring required. Ideal for controlling lights or sockets in minutes! 4. and exceptional service life. Equipped with a 10A relay, supports over 400,000 usage cycles and AC 85250V voltage (110V/220V/230V). Reliable performance, day after day. 5. Super robust wireless switch with over 500,000 clicks, works for up to 5 years on a single 12V 27A battery (replaceable). Compact, elegant, and durable!