- Light and small in size, portable and easy to carry.
- Multifunctional as compass and thermometer and key ring.
- With its function of compass, it will lead you to the right direction.
- It can be used in the environment at - 30 to 50 Centigrade or - 20 to 120 Fahrenheit.
- Waterproof and shockproof, it can be used in outdoor environment.
