The sensor LED screen displays the pressure value. Power supply mode: 5V1A USB cable, note: there is no built-in battery and real-time power supply is required! Atmospheric pressure detection range: 300-1000hPa Temperature range: 0-60 ℃ Note: Zigbee and Bluetooth mesh protocols only support Tuya gateway communication and cannot connect to other gateways. Applicable APP: Tuya/Smart Life APP Support home automation settings, please select the automation settings in the APP. Colour:White Material:Plastic Communication protocols: Zigbee Package Contents: 1x Pressure Sensor 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. Product Notes: Please allow a little manual errors.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 24 hours.