The La Crosse Technology Wireless Rain Station lets you measure and record rainfall from the dry shelter of your home. This wireless rain gauge has self-emptying buckets that record past and current amounts of rainfall. There's even a rainfall history graph and alerts. Plus you can monitor and record outdoor temperatures and trends as well as indoor temps. Indoor temp range: 32? Outdoor range: -40? It's all done wirelessly through an outdoor sensor and rain bucket that transmit data to the indoor receiver. The La Crosse Technology Wireless Rain Station has a 12- or 24-hour clock, calendar, and low battery indicators. Utilizes 6 (AA) batteries, not included.Manufacturer model #: 724-1710.Self-emptying cups measure rainfall Displays rainfall amounts from past months Lets you set rainfall alarms Monitors indoor temps and outdoor temps and trends Records highs and lowsIndoor range: 32?