Specification: Case material: ABS Watch band material: PU Strap width: 26mm Maximum wrist circumference: 24cm Dial diameter: 50mm Screen Resolution: 320x240 Screen diameter: 39mm Screen material: transparent acrylic Waterproof depth: 50M Battery capacity: 240mAh CPU: Ruiyu 8726D Battery: CR2032 Standby battery life: 24 months Features: Fashionable Digital Watch: The digital watch has advanced movement and japanese battery to keep precise time and long working life. Equip with acrylic mirror and ABS case, enough durable for outdoor activities. Military Watches for Men,Outdoor Companionship: The watch has stopwatch,alarm,LED Backlight,12/24H. Very suitable for outdoor sports. Water resistant to 50M: Digital watch waterproof,wash hand,get wet in the rain,bathing and so on,it can satisfy all the daily needs(Warnning:No heat water shower,sunna,diving,swimming,water-related work.Please DO NOT press any buttons underwater). Real-time motion detection: built-in acceleration sensor detection, no need to take mobile phone to move, real-time recording and viewing steps, distance, calories and other functions. Information call reminder: The watch has the functions of call, SMS and various social information push. When a push reminder is sent, the watch will have corresponding icon flashing and buzzing. Convenient photo taking: After connecting the mobile phone, the watch can take a beautiful moment with just one touch. Do not use if the compartment is not secure Dispose of used button batteries immediately and safely. Low battery power is still dangerous Tell others about the risks associated with button batteries and how to protect children's safety Package includes: 1 X Sport Digital Watch