Advantage:

1. Less than 0.2 second Response Speed

2. Built-in Antenna,LED (Double Color LED) and Loud Speaker (Buzzer)

3. Real Time Data Transfer

4. with Water-Proof Function

5. Production implementation in line with UL294 international standards

6. Used for office, factory staff quarters,public building and home.

7. Stable performance, resistance to metal shielding and interference ability,

8. Waterproof and rain-proof,Anti freezing and heat protection.