Door Sensor, Wireless Door Alert Chime Kit
🔔【How Does Door Sensor Alarm Kit Work?】- Attach 2 sections of the sensor to a door/window frame. When you open the door, it will trigger the alarm unit and ring.
🔔【Multiple Ringtones】600 FT in OPEN AREA RANGE- 58 Ringtones & 5 Level Volume (0 dB to 110 dB) to Adjust. LED indicators are suitable for the elderly and hearing impaired
🔔【Wireless Door Entry Alert Chime System】- Wireless Door Entry Bell Alert System- Will Keep track of your little children, used for a home to alert you when someone opens the door; Also use for garage/office/retail store.