Waterproof bicycle stopwatch

Display: LCD HTN HD display
Size mm): W: 47.5 * L: 60 * T: 20
Sensor: wireless sensor
Waterproof performance: IP65
Battery: CR2032 button battery
Material: ABS case material + tempered glass
Accessories: wireless buckle / sensor transmitter / magnet / cable tie / manual
2.0-inch large screen with clearer tempered glass protection
Easy and quick auto wake up
When the stopwatch is not used for 5 minutes, the stopwatch will automatically sleep on the display, press any key or ride
Automatically wakes up the computer in 30 seconds