Congratulation for having acquired this body fat and hydration monitor(the device) as measuring device for your body fat percentage(fat%) as well as body hydration percentage( hydration%).
The principle of this device is based on the measurement of body's electronic impedance known as bio-electrical term as "Bio-electronic Impedance Analysis" (BIA), a factor related to the body fat&hydration percentage and corresponded with the physical data (age, gender, body weight).

Features and Specifications:
1.Memory, gender, height, age setting
2.Max input weight: 150kg/330lb/24stone
3. Min input weight:2.0kg/4.4lb
4.Weight data entering division: 0.1kg/0.2lb
5.kg/lb/stone convertible
6.Body fat measurement range: 4.0-45%
7.Body fat different resolution in %: 0.1%
8.Hydration measurement range: 37.8-66.0%
9. Hydration different resoluation in %: 0.1%
10.Main LCD digit size:0.8″(20mm)
11.Auto-off
12.Low battery power indication
13.Power:2*3.0V CR2032 lithium battery