TONSHEN Men's LED Digital Electronic Military Watch Multi Function 12H/24H Time 164FT 50M Water Resistant Simple Design Sport Watches - Black Backlight: 5 color backlight can be arbitrary switching, Hold on A KEY more than 3 seconds, Backlight will change according to the order. OUTDOORS SPORTS DESIGN STYLE: 12H standard time and 24H military time freedom to switch. It's more suitable for outdoor sports. Adjust the strap length as needed,perfect for your wrist. Strong case can resistance impact, EL backlight will clear display time in the dark, use suitable for all outdoor sports and daily life. RUGGED AND DURABLE: Made from strong plastic and rubber, not easy to damage, you don't worry about shock or fell to the ground. High quality movement provide precise time and keep, the service life at least 2 years. MULTI-FUNCTION SET: 12h/24h Time, Date, Calendar, Alarm, 1/100 Stopwatch, Backlight, 50M / 5ATM Water Resistant. Week and digital time at the same time display on the screen. SIMPLE DESIGN AND EASY USE: Variety of functions set and the operation is simple, according to the operation manual it is easy to control. Big digital display easy to read. 50M / 164FT WATERPROOF FUNCTION: You can wear it to swim or bathe, but please don't press any button in water.