L1-M Matter Water Detector by Heiman

The Matter Heiman L1-M water sensor reliably detects escaping water and protects rooms such as the kitchen, bathroom, or basement from costly water damage. Thanks to Matter support, the sensor can be integrated into smart home systems across manufacturers – especially into Home Assistant.

Highlights

• Matter Standard: Works via Thread with Home Assistant, Apple Home, Google Home, Amazon Alexa, and other Matter-compatible platforms.
• Immediate Alarm Notification: Detects even small amounts of water and immediately sends an alert via the connected smart home platform.
• Audible Alarm: Integrated buzzer with loud on-site signaling.
• Long Battery Life: Energy-efficient operation with replaceable battery (CR2032 type).
• Easy Installation: Wireless placement on the floor – no wiring required.
• Integration with other devices: Can also be combined with Zigbee, WiFi, and Z-Wave devices in automations via Home Assistant.

Technical Data

• Model: L1-M
• Technology: Matter (via Thread)
• Power Supply: 3 V, one CR2032 battery
• Operating Temperature: 0 °C to +55 °C
• Humidity: ≤ 95 % (non-condensing)
• Alarm Tone: approx. 85 dB
• Dimensions: 42 × 42 × 18 mm

Compatibility

The Matter Heiman L1-M water sensor is fully compatible with Home Assistant via Matter/Thread and can be linked with devices from other technologies (Zigbee, WiFi, Z-Wave) through it.

Scope of Delivery

• 1 × Heiman L1-M water sensor
• 1 × CR2032 battery
• Quick Start Guide