SONOFF SNZB-02LD IP65 Zigbee LCD Smart Thermometer is a robust smart thermometer with a 2.2″ LCD and 1.5m probe for precise liquid or enclosed-space readings. Its IP65 waterproof rating ensures reliable performance in humid or splash-prone areas. Ideal for use in water tanks, refrigerators, pipes, aquariums, and closed spaces. It stores up to 6 months of data in the eWeLink app, where you can view and export detailed temperature logs for analysis. KEY FEATURES Easily view the current temperature on the clear 2.2-inch LCD screen. The 1.5m probe enables accurate temperature readings in liquids or enclosed spaces, reaching areas beyond the range of standard sensors. Designed for stable performance in humid and splash-prone environments. Note: the IP65 protection rating is suitable for standard splash-proof scenarios. Avoid submerging the device or exposing it to high-pressure water jets, or place it outdoors where it may be exposed to rain. Compatible with Zigbee 3.0 hubs SPECIFICATIONS Model SNZB-02LD IP rating IP65 Battery model CR2477 Casing materials PC+ABS Wireless connection Zigbee 3.0 Host working temperature -10℃~60℃ Probe working temperature -40°C~115°C Host working humidity 0-100%RH Input 3V⎓ Net weight 86.2g(Includes cables) Product dimension 62.8x58.5x21.8mm Cable length 1.5m