LD1 Door and Window Sensor
The LD1 is a long-range magnetic contact sensor that reports open and closed activity for doors, windows, cabinets, and similar access points.
LD1 Door and Window Sensor
The LD1 is a long-range magnetic contact sensor that reports open and closed activity for doors, windows, cabinets, and similar access points.
Core Functions
- Detects when a monitored door or window opens or closes.
- Sends status changes over long-range LoRa communication.
- Uses replaceable AAA batteries for indoor monitoring.
Product Appearance
The diagram identifies the main unit, magnet, status indicator, reset button, and removable battery cover.

Specifications
| Specification | Details |
|---|---|
| Model | LD1 |
| Wireless Protocols | LoRa |
| Wireless Range | Up to 2000 ft (610 m), line-of-sight |
| Maximum Sensing Gap | 1.18 in (30 mm) |
| Battery | 2 AAA batteries (replaceable) |
| Operating Temperature | 32°F to 122°F (0°C to 50°C) |
| Environment | Indoor use only, non-waterproof |