Zigbee wireless signal transmission View temperature and humidity data on mobile APP Intelligent signal analysis technology Historical data curves viewable when long-term insertion in the soil zigbee intelligent automation linkage (can be linked to automatic irrigation equipment) Standby crrent:3.5uA Working current:18mA Pairing indicator:Red light flashes Battery standby time:oneyear Detection environmenttemperature:-20℃-60℃ Detection soil moisture: 0%-100%(no condensation) Measurement error: ±2℃:±10% Working mode:(low power saving mode) After powering on and pairing with the gateway, the soil temperature and humidity datawillbe detected every 2 minutes for the first 20 minutes and uploaded to the APP.After 20 minutes,the soil temperature and humiditywill be detected every 1 hour and uploaded to the APP.(Long-term insertion into the soil) (The product appearance and printed words depending on the batch, but this does not affect use) Color:As Shown Material:ABS Package Contents: 1 * ZigBee Soil Tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.