Wi‑Fi door and window opening sensor HEIMAN WS3DS Tuya














Wi‑Fi door and window opening sensor HEIMAN WS3DS Tuya

Instant real‑time alerts
The sensor detects every door/window movement and immediately sends a notification to the Tuya (Smart Life) app, keeping your home under control at all times.

Flexible installation on different door types
Two reed switches let you place the magnet on the left or right and adapt the sensor to the opening direction and various frames.

Low consumption and battery alerts
Optimized power usage extends the life of the CR2 battery, and the alert feature informs you in time when a replacement is needed.
Keep your home safe with the HEIMAN WS3DS smart sensor. The two‑part design (detector + magnet) accurately detects opening and closing of doors or windows and immediately sends push notifications to the Tuya (Smart Life) app. A stable connection over Wi‑Fi 2.4 GHz enables remote monitoring from anywhere.
The two reed switches allow flexible magnet placement on either the left or right side, so you can easily adapt the sensor to various door types and opening directions. The compact body with an elegant, discreet design matches modern homes, and thanks to the self‑adhesive installation you can set it up in just a few minutes.
Main advantages:
- Instant alerts on your phone when opened/closed
- Remote monitoring via Tuya/Smart Life
- Low power consumption and low‑battery notifications
- Easy installation without tools, “stick & play”
- Universal installation thanks to dual reeds
Specifications
- Manufacturer
- Heiman
- Manufacturer code
- WS3DS
- Operating voltage
- DC 3 V (1× CR2 battery)
- Detection distance
- ≤ 15 mm
- Detection angle
- 90°
- Network
- Wi‑Fi 2.4 GHz
- Wireless range
- Wi‑Fi coverage area
- Operating temperature
- −10 °C to 50 °C
- Operating humidity
- ≤ 95% RH (non‑condensing)
- Detector dimensions
- 72 × 21 × 26 mm
- Magnet dimensions
- 35 × 11 × 13 mm