Smart switch module TP-LINK Tapo S112 — Wi‑Fi in-wall switch for remote control and scheduling

TP-LINK Tapo S112 is a Wi‑Fi in-wall smart switch module designed to replace or upgrade standard wall switches to enable remote control and automated schedules for lighting and other connected loads. Installed behind an existing switch or inside a wall box, the module connects to a home Wi‑Fi network and integrates with the Tapo mobile app to provide on/off control, timer functions and scene automation without requiring a separate hub.

Advantages

The Tapo S112 offers seamless integration with the Tapo app for remote operation, scheduling and scene-based automation. Its in-wall design preserves the look and feel of existing switch plates while adding smart functions. The module communicates over standard 2.4 GHz Wi‑Fi for wide compatibility and supports timers and repeatable schedules for energy-efficient operation. Installation is compact to fit common wall boxes and the unit is intended for simple retrofit of conventional wiring.

Suitable for

• Remote control of indoor lighting from a smartphone or tablet.
• Automated on/off schedules for rooms, corridors and lobbies.
• Integration into scene routines with other Tapo devices for home automation.
• Retrofit upgrades of conventional wall switches in homes and small offices.

Key specifications

• Connectivity: 2.4 GHz Wi‑Fi for direct connection to Tapo app (no hub required).
• Installation type: in-wall module designed to fit behind existing switch plates in standard wall boxes.
• Control functions: remote on/off, scheduling, timers and scene automation via mobile app.
• Compatibility: works with standard single-pole lighting circuits and typical household wiring.
• Power handling: suitable for typical lighting loads; follow local electrical codes and device limits during installation.

How to use

Turn off mains power before installing the Tapo S112. Mount the module inside the wall box behind the existing switch according to the wiring diagram in the included manual, connecting live and load conductors and neutral where required. Restore power, install the Tapo mobile app on your smartphone, and follow the in-app steps to add the device to your Wi‑Fi network and configure location, schedules and scenes. Use the app to create timers, recurring schedules and automation rules; local manual operation of the wall switch remains available after installation.

Usage recommendations

For safe and reliable operation, have the module installed by a qualified electrician if you are not familiar with household wiring. Ensure the Wi‑Fi network uses the 2.4 GHz band and provides sufficient signal strength at the installation location. Verify the switch and load ratings match the lighting fixtures and follow local electrical regulations.