Wireless Door Chimes When Entry for Business/Home/Office/Store (500ft Range 32 Chimes Adjustable Volume) Door Open Ringer Alert Buzzer Alarm - 1 sensors 1 sensor 1 receiver Black

• Easy to Install: The SECRUI door sensor installation operation is simple and does not require the use of any wiring or special tools. You can install a door sensor at home in a few minutes, simply stick double-sided adhesive onto the sensor, select a suitable location, and stick it onto the door to use it directly.
• 500Ft Working Range: This wireless door chime for home is up to 500 ft in open area.When your home door is opened, the receiver will play the ringtone you set, and you can always know that the door is open.
• Loud Alarm Sound: Our door alarm receiver has 32 music ringtones to choose from, and you can choose one of them according to your preferences. And the volume of the receiver can be adjusted, you can press the volume button to adjust the sound size.When you set the maximum ringtone, you can hear the receiver ringing even in other rooms.
• Mini Size Receiver: Our receiver is designed to be of reasonable size and will not occupy any extra space in your home socket.The small size is suitable for you to place the receiver in any position, providing you with an alarm system.
• Widely Used: This door opening alarm is designed to provide additional protection for your home. Protect your child and stop any actions such as opening windows, cabinets, etc. at any time. Suitable for use in various occasions such as apartments, mobile homes, offices, hotels, garages, etc.