Sonoff Elite: new line of POW and TH devices, but what is new?

Comparison of the POW Elite and TH Elite to their earlier models

POW Elite: https://itead.cc/product/sonoff-pow-elite-smart-power-meter-switch/ref/33/
TH Elite: https://itead.cc/product/sonoff-th-elite-smart-temperature-and-humidity-monitoring-switch/ref/33/

Accessories for the TH Elite
Temperature and Humidity Sensor: https://itead.cc/product/sonoff-ths01-temp-and-humi-sensor/ref/33/
Waterproof temperature sensor: https://itead.cc/product/sonoff-ds18b20/ref/33/?attribute_pa_jack-type=rj11
Soil moisture sensor: https://itead.cc/product/sonoff-ms01-smart-soil-moisture-sensor/ref/33/
5m extension cable for sensors: https://itead.cc/product/sonoff-rl560-5m-sensor-extension-cable/ref/33/

Chapters:
0:00 Intro
0:28 New Elite line
4:48 Whats new in POW Elite
10:20 Whats new in TH Elite
16:30 Outro