4 Pack SONOFF SNZB-02B AirGuard TH Lite Zigbee Temperature Humidity Sensor Slim Design Accuracy Sensing Dew Point VPD Monitoring

4 Pack SONOFF SNZB-02B AirGuard TH Lite Zigbee Temperature Humidity Sensor Slim Design Accuracy Sensing Dew Point VPD MonitoringZigbee Temperature Humidity Sensor | SNZB-02BRequires Zigbee hubPrecision You Can TrustEquipped with an industrial-grade Swiss Sensirion sensor, data refreshes every 5 seconds to accurately capture changes in ambient temperature and humidity.Compact Design Fits AnywhereCompact and exquisite design allows easy placement even in small spaces; equipped with a lanyard, it can be hung freely anywhere.Also Fits Perfectly InHidden Threats You Can Now MonitorSupports dew point and VPD monitoring, turning invisible environmental threats into visible data.Say goodbye to moldy walls—start by monitoring the dew point.Stop guessing, start measuring—VPD is the grower's true compassNo More "Low Battery" AnxietyPowered by 2 standard AAA batteries, with a battery life of up to 2 years — no wiring, no charging, just quietly guarding.The battery life data is a theoretical value, obtained from SONOFF's internal laboratory under a specific test environment. Actual use may vary slightly due to product differences, firmware software versions, operating conditions, and environmental factors. Please refer to the actual use.Intelligent Sensing. Automatic ControlYou can freely set your comfort range and customize smart scenes. When the environment exceeds the preset range, you’ll receive an instant alert, and appliances like electric fan and dehumidifier will automatically turn on.Let The Room Decide, Not The RadiatorPlace the sensor where you live. It detects the real room temperature and tells your smart valve when to stop — so you stay comfortable, not just the radiator.It Remembers The Last 6 MonthsEnjoy 6 months of free cloud storage and track temperature and humidity changes at any time. With data export support,every analysis is backed by solid evidence.Hands-Free Voice CommandsNote: This function requires adding the device to the eWeLink app and syncing it to third-party platforms via cloud-to-cloud integration; This process does not involve direct connection to the third-party gateway.Works with Apple Home Via Matter BridgeAll solutions integrate SONOFF Zigbee devices into your Apple ecosystem via Matter Bridge, enabling seamless interconnected device control.Learn More about ZBBridge-U | Learn More about eWeLink CUBEEasily Integrates with Open-Source PlatformsBuilt on the Zigbee 3.0 standard, this device effortlessly connects with a wide range of third-party platforms.Currently, using the AirGuard TH Lite with ZHA requires the script. For detailed instructions, please refer to: Zigbee Hub CompatibilityProduct ComparisonSpecificationsPackageIncludes 2 AAA batteries