Sos Emergency Thread Box Button Beeper Remote Control Alarm

Product information:
Scope of Application: wireless remote switch, buzzer and other accessories, security alarm
Specifications: 315 frequency, 433 frequency
Communication mode: 5
Overall size: 58*39*15MM

Product features:
1. Watch style design, easy to carry and use;
2. Delay triggering of buttons to avoid false alarms;
3. Low power consumption and long battery life.