RF Remote 433MHz 4-Button

Remote ON/OFF–Turn electrical devices on/off from anywhere
App Support –Free iOS and Android mobile App eWeLink
LAN Control –Turn on/off the device even when WiFi has no Internet access
Sync Status–Real-time device status provided to App
Timing–Set scheduled/countdown/loop timers to turn on/off at specified time
Share Control– Control your smart home together with your family
Scene–Turn on/off a gang of devices with one tap
Smart Scene–Triggered on/off by temp, hum or other environmental conditions from sensor
Compatibility –Works perfectly with Amazon Alexa, Google Assistant, IFTTT, Google Nest

Remote ON/OFF–Turn electrical devices on/off from anywhere
App Support –Free iOS and Android mobile App eWeLink
Independent control–Control each gang separately
DIN Rail Mounted– Great for industrial control
Sync Status–Real-time device status provided to App
Share Control–Control your smart home together with your family
Timing–Set scheduled/countdown timers to turn on/off at specified time
Scene–Turn on/off a gang of devices with one tap
Smart Scene–Triggered on/off by temp, hum or other environmental conditions from sensor
Compatibility –Works perfectly with Amazon Alexa, Google Assistant, IFTTT, Google Nest

Real-time monitor–Monitor real-time temperature and humidity
Auto Mode–Set Auto mode to turn on/off at a specified temp. or hum. range
Manual Mode–Set manual mode to turn on/off immediately
Trigger Smart Scene–The temp. or hum. values work as smart scene trigger conditions to trigger on/off other Sonoff devices
Remote ON/OFF–Turn electrical devices on/off from anywhere, can work without TH sensor
App Support –Free iOS and Android mobile App eWeLink
Sync Status–Real-time device status provided to App
Share Control– Control your smart home together with your family
Timing–Set scheduled/countdown timers to turn on/off at specified time
Scene–Turn on/off a gang of devices with one tap
Compatibility –Works perfectly with Amazon Alexa, Google Assistant, IFTTT, Google Nest

Features for Sonoff PIR2 sensor
Dual infrared
Ultra-low power microprocessors
Double temperature compensation technology
Robust and durable, suitable for homes, offices, sheds, garages etc.
Easy installation and set-up, wall-mounted

Alternative firmware for ESP8266 based devices like iTead Sonoff with web, timers, 'Over The Air' (OTA) firmware updates and sensors support, allowing control under Serial, HTTP, MQTT and KNX, so as to be used on Smart Home Systems. Written for Arduino IDE and PlatformIO.