HEIMAN Smart Door Sensor Matter-over-Thread

The HEIMAN D1-M Smart Door Sensor offers maximum security and smart control for your doors and windows. Thanks to Matter-Over-Thread technology, it integrates seamlessly into leading smart home platforms – including Home Assistant. With its compact design, easy installation, and reliable wireless technology, it is the ideal companion for a modern, connected home.

Highlights:

• Matter-Over-Thread network: modern, stable connection in the 2.4 GHz band
• Extra-long battery life of approximately 24 months
• OTA updates: firmware upgrades via wireless connection
• IP41 protection rating: protection against solid objects over 1 mm and splashing water
• Ultra-compact – perfect for discreet installation

Technical Data:

• Operating voltage: DC 3.0 V (1× CR2032 battery)
• Wireless range: up to 70 m in open areas
• Detection distance: from 20 mm between magnet and sensor
• Dimensions:
  • Sensor: 38 × 24.7 × 14 mm
  • Magnet: 31 × 11 × 13.5 mm
• Operating temperature: –10 °C to +55 °C
• Humidity: up to 95% RH, non-condensing