Smartphone App & Voice-controlled Smart Switch (After configuration with Duluck smart speakers). Good for Inductive loads up to 3200 Wt. Easy setup within 3 minutes using eWelink App. Makes nonsmart appliances smart. (Good for Water pump, Washing, machines, Exhaust Fans, Ac, TV, etc). Have Countdown Timer, Schedule Timer, Loop Timer. Works With Duluck Smart Speaker, Amazon Echo, Google Assistant, and IFTTT