Specifications:\r1) Rain measuring range: 0 to 19,999 mm\r2) Outdoor temperature range: -40 ~ +65°C (-40°F to +149°F)\r3) Indoor temperature range: -9.9 ~ +60°C (-15.8°F to +176°F)\r4) Temperature accuracy: ±1.0°C\r5) Power supply:\ra) Receiver: 2 x \"AA\" alkaline batteries (not included)\rb) Rain gauge: 2 x \"AAA\" alkaline batteries (not included)\r6) Transmission range: up to 100 meters (330 feet)\r7) Transmission frequency: 433MHz\r\rFeatures:\r1) Outdoor wireless sensor (range up to 100 meters)\r2) Detailed display of rain data for 1 hour, 24 hours, week, month\rand total since last reset (user can choose inches or mm)\r3) Indoor and outdoor temperature (°F to °C)\r4) Time and date with manual setting option\r5) 12/24 hour time mode\r6) Calendar\r7) Time zone setting\r8) Time alarm\r9) Freestanding\r\rPackage includes:\r1 x Rain gauge\r1 x Receiver\r1 x User manual\r2 screws