Specifications: 1) Rainfall display range: 0 to 19,999mm 2) Outdoor temperature range: -40 ~ +65C (-40F to +149F) 3) Indoor temperature range: -9.9 ~ +60C (-15.8F to +176F) 4) Temperature accuracy: 1.0C 5) Power requirements: a) Receiver: 2 x "AA" alkaline batteries (not included) b) Rain gauge: 2 x "AAA" alkaline batteries (not included) 6)Transmission range: up to 100meters( 330feet) 7) Transmission frequency: 433MHz Features: 1).outdoor wireless sensor (range up to 100 meter) 2) Detail display of rainfall data in 1hour, 24hour, week, month and total since last reset(user selectable in inch or mm) 3) Indoor and outdoor temperature (F to C) 4) for Time and date with manual setting option 5) 12 /24 hour for time mode 6) Calendar 7) for Time zone setting 8) for Time alarm 9) Free standing Package included: 1 x Rain Gauge 1 x Receiver 1 x User Manual 2 Pieces of Screws When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it!