Sonoff NSPanel WiFi Smart Scene Switch Thermostat Temperature All-in-One Control Touch Screen Parameters: 1. Material: ABS+PC 2. Protocol: Zigbee 3.0 3. Rated current: 4A 4. Input voltage: AC 100-240V 5. Input frequency: 5060Hz 6. Bluetooth version: 4.2 7. WiFi: 2.4GHz IEEE802.11 bgn 8. Screen resolution: 480x320px 9. LED: 150W110VGang, 300W110VTotal; 300W220VGang, 600W220VTotal 10. Dimensions: EU: 86x86x41.7mm, US: 120x74x41.7mm Features: 1. Smart home one-key open NSPanel integrated HMI control, intelligent temperature control, intelligent wall switch 2. Integrated HMI panel only needs one screen, click various home automation 3. Convenient control of scene-based compositions 4. Smart lighting, a seamless way to control different lights 5. Automatic temperature control, built-in sensor monitoring and adjustment 6. Multiple control methods HMI touch screen control, remote application control, voice control and two-button switch control 7. Manual constant temperature mode, you can reach the temperature you want at any time 8. Dual channel switch, better device control 9. APP remote control, not limited by time and space 10. Time to set automation preferences