PNI SafeHome PT101L Manuel De L'utilisateur page 7

From your Tuya app, you can turn the lights on and off,
you can set an hour for the lights to turn on and off
automatically, and you can share the smart switch with
other family members.
Reset
Press and hold the touch button on the switch for 20
seconds. The LED will flash frequently after the reset,
waiting for WiFi connection.
EN-5