RF wireless technology
Suitable for 14-18 BMW X5/F15
Double-layer vacuum 304 stainless steel
Hex Steel Mandrel must be welded to 3/4 inch round shaft
Support power button/volume+/volume-
YS Metal Stopwatch 3 Rows Display Running Training Electronic Timers, Style: YS-510 10 Memories IP Camera RF wireless technology1. High definition screen, clear reading 2. Curved concave and convex sides, comfortable to touch, non slip and anti fall 3. With lanyard, easy to carry and not easy to lose 4. Button operation, simple and sensitive 5. Waterproof for life, waterproof against rain and sweat, suitable for various occasions 6. Specification: 1 100 second 7. Function: stopwatch, clock, date, countdown, metronome, alarm clock, mute, shutdown 8. Power supply: contains a