1. Digital design and strong anti -interference ability.
2. Simple and easy to use, easy to carry.
3. High sensitivity.
4. Sound and light alarm.
5. 6 alarm mode of sound, vibration, silent, sound and vibration, wireless headset, and wired headphones.
6. Automatic dormancy and shutdown.
7. Use the battery No. 5 to facilitate the purchase. It can work for more than 100 hours in a row (pay attention to the positive and negative pole when installing).
8. With a straight charging, the charging method of the seat charging (must ensure that the battery is charging the battery before charging); there are charging and low power instructions.
9. Give the default to enter all metal+sound+high sensitivity mode.