Color: As shown in the First image. Quantity and size : As shown in the title or description. Temperature And Humidity Monitoring-wifi Smart Switch Feature: Real-time MonitorMonitor Real-time Temperature and Humidity Auto ModeSet Auto Mode to Turn On/off at a Specified Temp or Hum Range Manual ModeSet Manual Mode to Turn On/off Immediately Trigger Smart SceneThe Temp or Hum Values Work As Smart Scene Trigger Conditions to Trigger On/off Other Sonoff Devices Remote ON/OFFTurn Electrical Devices On/off from Anywhere, Can Work Without TH Sensor App Support Free IOS and Android Mobile App EWeLink Sync StatusReal-time Device Status Provided to App Share Control Control Your Smart Home Together with Your Family TimingSet Scheduled/countdown Timers to Turn On/off at Specified Time SceneTurn On/off a Gang of Devices with One Tap Compatibility Works Perfectly with Amazon Alexa, Google Assistant, IFTTT, Google Nest Features: Input Voltage: 90~ 240V AC Input Current: Max 10A /15A Max Power: 2200W(10A) /3500W(15A) Humidity: 5%-90%RH, Non-condensing Operating Temperature: 0C-40C(32F-104F) Wireless Standard: 802.11 B/g/n Security Mechanism: WPA-PSK/WPA2-PSK Enclosure Material: Fire-retardant ABS V0 Dimension: 114*51*32 (mm) Supported Temperature, Humidity Sensors: Si7021, AM2301, DS18B20, DHT11 Gang: 1 Certification: CE, RoHS, FCC UPC ( For Sonoff TH10): 6920075700947 UPC ( For Sonoff TH16): 6920075700954