Min. Order Reference FOB Price
100 Pieces US$50.00-60.00 / Piece
Product Description
1.Features DS18B20 Temperature sensor Track Temperature (-40°C to 80°C) Battery operated,and battery can be replaced by user LoRa Wireless transmission distance is more than 5KM in open field(No obstacles) Receive alarm sound and email alert Set high-low threshold value for alert ...