Main Features:- Chronograph (stopwatch) with split lap time for recording exercise time
- Built-in pulse sensor provides accurate heart rate requiring no chest strap
- Exercise intensity input for calories analyzing
- Display current time and date with alarm and hourly chime functions
- Light and comfortable to wear

Specifications:
Range of measurement: 60 - 200
Resolation: 1
Accuracy: 1
Error: 1
Working temperature: 20 - 40 Deg.C
Working humidity: 60pct Band Length: 8.19 inch
Band Material Type: Rubber
Band Width: 20mm
Case Shape: Round
Clasp type: Pin clasp
Dial Diameter: 1.89 inch
Dial Display: Digital
Dial Window Material Type: Acrylic
Feature: Alarm，Auto Date，Chronograph，Heart rate monitor
Gender: Men，Women
Movement: Digital
Style: Sport
Water Resistance Depth: 30m Package weight: 0.065 kg
Product Size(L x W x H): 25.00 x 4.80 x 1.40 cm / 9.84 x 1.89 x 0.55 inches
Package Size(L x W x H): 24.20 x 5.30 x 2.30 cm / 9.53 x 2.09 x 0.91 inches Package Contents: 1 x RE9090 Fitness Sport Pulse Watch， 1 x English User Manual