Features:
Heart rate monitor with chest belt: show and record your real-time, average, minimum and maximum heart rate and calories burned.
Pedometer: show and record your steps, speed, distance, exercise time and calorie consumed under the exercise.
A unique function of sleep mode that can detect the sleeping quality of users and mark it in the form of percent automatically.
Clock (12/ 24hr), hourly chime, timer, calendar, double alarm, and stopwatch function.
Six days memory record.
EL backlight.
3D sensor.
3ATM water-resistant.

Specifications:
Color: Black + white
Material: ABS + PU
Pedometer sensor:3D sensor
Power source: CR2032
Water resistance: 3 meters
Backlight display: EL
Transmission mode:wireless 5.3K Hz with chest belt
Watch dial case diameter: 3.6cm / 1.4in
Band width: 2cm / 0.8in
Watch weight: 46g / 1.64oz
Chest belt weight: 60g / 2.11oz
Package size: 11.4 * 8.5 * 7.5cm / 4.5 * 3.3 * 3in
Package weight: 152g / 5.37oz

Package List:
1 * Heart Rate Monitor
1 * Adjustable Chest Strap
1 * User Manual (English)

Note: 
It is to NOT wear the watch during swimming or taking shower.