Comfort Plus GBF-1257 Scale Product Name: Body Fat Analyzer (GBF-1257) Dimensions: Dimensions: 320 x 330 x 27.2 mm (Approx.) Net Weight: Approximately 1.75 Kilograms (Without Batteries) Display: Digital LCD Weighing Unit with Backlight: Kilogram Weighing Range: 5 to 180 Kg. Division: 0.1kg Accuracy: 5 -50 kg ± 0.3kg; 50-100kg: ± 0.4kg; 100-150kg: ± 0.5kg; 150-180kg: ± 0.7kg Working Environment: Temperature: 5oC to 40oC Humidity: 15% RH to 93% RH Atmospheric pressure: 70kPa to 106kPa Storage Environment: Temperature: -20 oC to 60 oC Humidity: 93% RH Atmospheric Pressure : 50 kPa to 106 kPa Power Supply: 6 Volt (Four AAA "Pen" Batteries) Switching on Method: SENSE Technology Auto-OFF: If no action is taken, the scales will turn off after 10 seconds. Accessories: 1. Four AAA Batteries 2. User's Manual Mode of Operation: Continuous Operation