SUNROAD Men's Sports Altimeter Barometer Digital Wristwatch with Fishing instruction: smart remind suitable fishing time/Six fishing places can be tracked including air pressure, temperature and fishing water depth, satisfy your need. Incorporate barometer, altimeter, thermometer, weather forecast, time, countdown timer and date functions Adopt super-accuracy barometric sensor from Swiss/24 hours barometric pressure trend chart COMFORT: High Quality PU Resin Strap, the strap is soft and comfortable and environmental friendly. WATERPROOF FOR DAILY USE: 30M Water Resistant, HANDWASH, NO PROBLEM !