20
Batteries—(Alkaline recommended)
Remote
Temperature
Sensor
2 x AA, 1.5V
Indoor Weather
Station
2 x AA, 1.5V
Dimensions: (L x W x H)
Indoor Weather
Station
5.5” x 3.2” x 1.25”
(140 x 81 x 32 mm)
Remote
Temperature
Sensor
1.57 x 0.85 x 5.00 in.
(128 x 40 x 23 mm)
Battery life
Approximately 1 year