Features

indoor/ outdoor temperature display indoor humidity display
Celsius or Fahrenheit temperature display
12 h and 24 h time display
clock & date display function (the display switches automatically between clock & date every 5 seconds)
hourly and daily alarm functions
if you use the outdoor temperature sensor (the display switches automatically between indoor & outdoor every 5 seconds

Specifications

power: 1 x 1.5V (LR44/AG13) (incl.)
temperature range:
indoor: 10 C to +50 C (+14 F to +122 F)
outdoor: 50 C to +70 C (58 F to +158 F)
humidity range (indoor): 20% 90% RH
dimensions:
device: 5.8 x 9 x 1.5 cm
display: 4.6 x 6 cm
cable length: 110 cm