· Indoor Temperature Range: 32º to 122º F, 0º C to 50º C
· Outdoor Temperature Range: -40º to 158º F, -40º C to 70º C
· Temperature Accuracy: up to +/- 4°F
· Humidity Range: 1% to 99% RH
· Humidity Accuracy: +/- 5%
· RF (wireless) Range: 330' (100m)
· Data Reporting: Outdoor data: 16 second updates; Indoor data: 30 second updates
· Power: Display: 5V power adapter (included; recommended for optimal display color), 3 AA alkaline batteries: Sensor: 2 AA alkaline or lithium* batteries (batteries not included) *Lithium batteries recommended for temperatures below -4°F/-20ºC