Product Overview
- State-of-the-art thermistor technology for fast response.
- Factory preset at 135°F (57°C) for the W-H355 and W-H355R.
- Rate-of-rise triggers at 15°F (8.3°C) per minute for the W-H355R.
- Cascading Mesh Wireless Technology (902-928 MHz frequency).
- Any wireless device can be added to act as a repeater.
- Requires (4) CR-123A batteries (included).