General description The Zigbee Smart 4 in 1 Soil Tester is an advanced gardening tool that measures four key data points: light level, soil temperature, soil moisture, and air temperature. It connects to an app via Zigbee, allowing for real-time monitoring and easy management of your garden's needs. This device is particularly useful for remote monitoring, helping you determine when to water your plants effectively. Technical specifications Temperature measurement range: 0-85℃ and -10-80℃ Temperature measurement resolution: 0.1℃ Temperature measurement accuracy: ±0.5℃ Humidity measurement range: 0-100% RH Humidity measurement resolution: 1% Humidity measurement accuracy: ±1% Light intensity measurement range: 0-65535 LuX Light intensity accuracy: ±5% Long-term stability (light intensity): ≤5%/y Protection level: IP67 Size: 58 x 58 x 136 mm Power supply: Battery powered (5 batteries x 2 or 4 batteries, battery life approximately 1 year) Host size: 58 x 136 mm Working frequency band: