EN885 Digital Thermometer Hygrometer Electronic Alarm Clock Indoor Outdoor Humidity Temperature Meter - 1 Set

• Indoor and outdoor temperature and humidity

• Max and mini temperature/humidity 

• Time, alarm clock and snooze function

• High-definition large screen, color LCD display

• Use hanging holes to hang, or stand on the table

• XP4 waterproof rating for outdoor use

Specification:

• Indoor temperature: -4°F - 158°F (-20°C - 70°C)

• Outside temperature: -40°F - 158°F (-40°C-70°C)

• Humidity range: 20%-95%

• Temperature unit: °C/°F

• Temperature Resolution: 0.1°C/°F

• Humidity Resolution: 1%

• Refresh rate: 10 seconds

• Error: temperature 1?; humidity 5%

• Wireless reception: 100 meters

• RF Radio Frequency: 433 MHz

• Backlight duration: 30 seconds

• Power supply: 3 AA batteries (not included)

• Transmitter: 2 AA batteries (not included)