Features: (1)3 touch screen setting buttons (2)Calendar up to 2099 years (3)Time in optional 12/24 hour format (4)Daily alarm function (5)Snooze function (5 minutes) Humidity: Indoor and outdoor measurable range: 20%RH~95%RH Note: The weather clock can be usb plugged in and used or powered by 2 x AA batteries (product does not contain batteries), the sensor needs to be powered by 2 x AA batteries (product does not contain batteries) Color: Black Material: plastic Package Contents: 1 x Weather clock 1 x USB power cable 1 x 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.