Two Power Options, Same Reliable Protection
Wireless freedom or wired probe versatility – pick the model that fits your needs. Both deliver instant alerts and smart home integration.
| Feature | Wireless Model | Wired Probe Model |
|---|---|---|
| Power Supply | 2×AAA batteries (DC3V) | 2×AAA batteries (DC3V) |
| Battery Life | Ultra‑low power (≤42uA standby) | Ultra‑low power (≤42uA standby) |
| Low Battery Alert | ✓ APP notification | ✓ APP notification |
| Detection Method | Four bottom probes (built‑in) | External wired probe |
| Monitoring Modes | Water leakage only | Water leakage / Low water level (selectable) |
| Best For | General leak detection, flexible placement | Sump pumps, water tanks, aquariums, tight spaces |
| Installation | Place on floor or mount on wall | Place sensor body anywhere, position probe where needed |
| Wireless Protocol | WiFi 802.11 b/g/n (2.4GHz) | WiFi 802.11 b/g/n (2.4GHz) |
| Parameter | Wireless Model | Wired Probe Model |
|---|---|---|
| Model | SQ400C‑W | SQ400C‑P |
| Input Voltage | DC3V (2×AAA batteries) | DC3V (2×AAA batteries) |
| Quiescent Current | ≤42μA | ≤42μA |
| Alarm Current | ≤190mA | ≤190mA |
| Low Voltage Alert | ≤2.4V (APP notification) | ≤2.4V (APP notification) |
| Alarm Sound Level | 100dB (adjustable) | 100dB (adjustable) |
| Alarm Duration | Adjustable via APP | Adjustable via APP |
| Detection | 360° via four bottom probes | External wired probe |
| Monitoring Modes | Water leakage | Water leakage / Low water level (selectable) |
| Wireless Protocol | WiFi 802.11 b/g/n (2.4GHz) | WiFi 802.11 b/g/n (2.4GHz) |
| APP Compatibility | Tuya Smart / Smart Life | Tuya Smart / Smart Life |
| Voice Assistants | Amazon Alexa, Google Assistant | Amazon Alexa, Google Assistant |
| Installation | Floor placement or wall mount | Floor placement or wall mount; probe can be extended |
| Operating Temperature | -10°C to +60°C | -10°C to +60°C |
| Operating Humidity | ≤95% RH | ≤95% RH |
| Sensor Body Dimensions | Φ65 × 28 mm | Φ65 × 28 mm |
| Package Includes | Sensor, batteries, manual | Sensor, external probe, batteries, manual |
