WS202

Small enough to sit unnoticed on a wall or shelf, the WS202 detects movement up to 8 m away across a 120° arc and reports it over LoRaWAN, adding a light sensor that tells you whether the room is bright or dark against a threshold you set. That combination lets it switch lights or fans only when a space is both occupied and dim, using Milesight's D2D protocol to drive other devices without a gateway. A single lithium cell lasts around four years, mounting is by screws or adhesive tape, and configuration is one tap over NFC. Typical uses include office lighting control, classroom occupancy and warehouse security alerts.