Sonoff SNZB-05P Zigbee water leak sensor

A Zigbee leak sensor with gold-plated probes that spots 0.5 mm of water, runs five years on one battery and can trigger alarms even when Wi-Fi is down. Chain detection cables to cover a whole utility room.

What's in the box

• Water leak sensor
• Quick-start guide

Specs

• Connectivity: Zigbee 3.0; requires a Zigbee hub (Sonoff ZB Bridge, iHost, NSPanel Pro, or Home Assistant via ZHA/Zigbee2MQTT)
• Detection: elevated gold-plated probes trigger at 0.5 mm; concave collector senses drips; works on metal surfaces
• Alerts: app push, email, and local Zigbee scenes (hub siren) without internet
• Extension: supports leak-detection cables in series, no length limit (sold separately)
• Power: CR2477 battery, up to 5 years
• Body: PC + ABS, IP67, 48 × 48 × 21.6 mm, 45 g; −10 to 60 °C
• Certification: CE, FCC, RoHS