1. Ultra-thin modern design (appearance design has patent), suitable for various kinds of doors and windows; 
2. Shell buckling design for convenient battery changing; 
3. Power switch can extend life span of the battery; 
4. Auto manual alarm button, as well as emergency button; 
5. Built-in antenna, delicate and modern looking.  
 
Technical Parameters: 
Items    Parameters
Working Voltage    DC 3V (built-in 3V dray battery)
Static Working Current    10uA
Alarm Current    <30mA
Working Temperature    10℃~40℃
Working Humidity    ≤95%
Emitting Frequency    315/433/868 + 0.5MHz
Emitting Distance    (No exterior soft antenna) no obstacle 80M; (with exterior soft antenna) no obstacle 100M
Gap Distance    15mm Max
Coding Method    PT2262 or EV1527