Check the listing for details. VIVOSUN Bluetooth Hygrometer Thermometer Indoor,Temperature Humidity Meter Alarm. Color: White, Condition: New. Listed at 13.99 USD. High Accuracy & Dual Channels: Utilizing a built-in smart Swiss sensor, coupled with the option to incorporate an external sensor probe for dual-channel monitoring, this wireless thermometer hygrometer delivers rapid, real-time, and highly accurate temp & humidity readings (±0.9℉/±5%RH) User-Friendly Design: Easy to use with a big, clear LCD screen, visualized VPD design, highest and lowest temp & humidity records, and indicators for three comfort ranges for temp and humidity; Multiple installation methods are available - wall mounting, kick-standing, and hanging Remote Control & Smart App Alerts: Connect to VIVOSUN App via Bluetooth to monitor temperature, humidity, and VPD data remotely; Receive instant notifications when temperatures or humidity exceed your set levels, allowing you to effectively manage the climate in various locations such as your bedroom, greenhouse, grow tent, basement, or baby room 2-Year Free Data Storage: This indoor temp & humidity gauge offers a 2-year free data storage service, allowing you to analyze the historical temp & humidity data and make adjustments accordingly; You can also easily export the data at any timeHigh Accuracy & Dual Channels: Utilizing a built-in smart Swiss sensor, coupled with the option to incorporate an external sensor probe for dual-channel monitoring, this wireless thermometer hygrometer delivers rapid, real-time, and highly accurate temp & humidity readings (±0.9℉/±5%RH) User-Friendly Design: Easy to use with a big, clear LCD screen, visualized VPD design, highest and lowest temp & humidity records, and indicators for three comfort ranges for temp and humidity; Multiple installation methods are available - wall mounting, kick-standing, and hanging Remote Control & Smart App Alerts: Connect to VIVOSUN App via Bluetooth to monitor temperature, humidity, and VPD data remotely; Receive instant notifications when temperatures or humidity exceed your set levels, allowing you to effectively manage the climate in various locations such as your bedroom, greenhouse, grow tent, basement, or baby room 2-Year Free Data Storage: This indoor temp & humidity gauge offers a 2-year free data storage service, allowing you to analyze the historical temp & humidity data and make adjustments accordingly; You can also easily export the data at any time