Digital Compass with Mosquito Repellent, Thermometer & Book Light

Digital compass with declination.
Compass resolution -- 1 degree.
Compass tolerance +/- 5 degree.
Built in thermometer with temperature degree Celsius & Fahrenheit readings.
Real time clock with hour, minute, month, date & day of week.
Optional 12 hr. or 24 hr. time display.
Alarm clock with snooze function.
Daylight saving time.
World time.
Chronograph.
EL backlight.
Electronic mosquito repellent function.
Super bright LED book light.
Water-resistant function.
Lanyard makes easy to carry.
Big screen size - 38.5mm x 45.5mm.