short press to cycle through the photo
Rechargeable battery USB display red is normal charging
Objective lens diameter: 35mm
Induced distance: 3-5 meters
Applicable age group: adult
YS Electronic Stopwatch Timer Training Running Watch, Style: YS-860 60 Memories (Black) LANGTU short press to cycle through1. Button design, comfortable and not stuck, reinforced, durable 2. Waterproof for life, waterproof against rain and sweat, just wipe it dry after use 3. Can be turned off, the clock does not need to be reset, save energy 4. Function: stopwatch, clock, calendar, countdown, alarm clock, metronome, shutdown, mute 5. Power supply: contains a CR2032 button battery 6. Material: ABS 7. Screen size: about 3. 5x2. 3 cm 8. Overall size: about 7. 5x6. 2x2. 1 cm