• Design and installation: smart switch module with mini design (4.0 × 4.0 × 2.0 cm) that can be inserted into the original wall switch box. • Input and output: AC 100-240 V, 16 A max. • App control: control the smart light switch in the Smart Life/Tuya app anytime and anywhere. Features: shared control, scene creation, countdown, timer schedules. • Multi-control: the smart switch can be assigned to other switches with multi-control function. • Supports 2-way circuit: connect a pair of 2-way toggle light switches to control lights from different locations. • Requires neutral wire and connection to 2.4 GHz router.