4Pcs Gy-Bme280-5 Bme280 5V Atmospheric Pressure Sensor Temperature Humidity Product Details Specification: ?GY-BME280 is an integrated temperature, humidity and barometric pressure module. ?On-board LDO can supply 5V power. ?The BME280 can use either I2C or SPI. For simple easy wiring, go with I2C. If you want to connect a bunch of sensors without worrying about I2C address collisions, go with SPI. ?Application: weather monitoring, indoor climate control, and industrial process control. ?BME280-5V size: 1.3*1cm, weight: 1g. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.