EWeLink Zigbee 3.0 Smart Wireless Gateway 1. App name: eWeLink 2. Control method: mobile phone control 3. WiFi frequency: 2.4GHz 4. WiFi standard: IEEE 802.11 bgn 5. Wireless protocol: Zigbee 3.0 6. Wireless range: a???￥100m (open space) 7. Power Input: DC 5V 8. Material: ABS 9. Operating temperature: -10 to 55 degrees Celsius 10. Operating humidity: 10% to 90% RH 11. Size: About 7.3 x 7.1 x 2.7cm 12. Weight: about 20g Features: 1. Smart gateway device enabling voice, remote, and automated control to build a whole-home smart home ecosystem 2. Voice control: Activate speakers, switch on TVs, and operate other appliances 3. Pair with smart wall switches to set scenesa??one-touch bedtime shutdown for all lights 4. Adjust temperaturehumidity sensors for real-time climate management 5. Use with doorwindow sensors for instant alerts if openings detected while away 6. Control home devices remotely via smartphone for anytime monitoring