temperature range: indoor: 0 °C to 50 °C outdoor: -50 °C to +70 °C hygrometer: 20 - 90% (indoor humidity only) humidity resolution: 1% RH power supply: 1 x 1.5V AAA battery ([product name=LR03C]LR03C[/product], not incl.) dimensions: device: 117 x 107 x 22 mm LCD: 64 x 77 mm cable length: ± 1.8 m weight: 126 gr (EN)