Specifications 1 Rain measurement range 0 to 19 999 mm 2 Outdoor temperature range 40 ~ 65°C 40°F to 149°F 3 Indoor temperature range 99 ~ 60°C 158°F to 176°F 4 Temperature accuracy ±10°C 5 Power a Receiver 2 x AA alkaline batteries not included b Rain gauge 2 x AAA alkaline batteries not included 6 Transmission range up to 100 meters 330 feet 7 Transmission frequency 433MHz Features 1 Wireless outdoor sensor range up to 100 meters 2 Detailed display of precipitation data for 1 hour 24 hours week month and total since last reset user can choose in inch or mm 3 Indoor and outdoor temperature °F to °C 4 for time and date with manual setting 5 12 24 hour time mode 6 Calendar 7 for time zone setting 8 for Time Alarm 9 Standalone Package includes 1 x Rain Gauge 1 x Receiver 1 x User Manual 2 screwsOur aftersales team consists of experienced professional and responsible staff They will do their best to solve your problems and let you feel our sincerity and care Buying our products means choosing safety and peace of mind