Door Chime, DC 12V, Wireless Door Open Contact Sensor Alarm Chime with 656 ft Range, 58 Chimes & 5 Adjustable Volume, Doors Ringer Alert for Business, Store, Home, Office When Entering Medical Supplies Simplify the installation process with

Simplify the installation process with our 4-step guide

Ambient humidity: ≤90%

Our innovative pulse mig welding technology delivers fast

You can arrange them creatively

anchor rope

Door Chime, DC 12V, Wireless Door Open Contact Sensor Alarm Chime with 656 ft Range, 58 Chimes & 5 Adjustable Volume, Doors Ringer Alert for Business, Store, Home, Office When Entering Medical Supplies Simplify the installation process withWireless Door Sensor Alarm Set This door chime set includes 1 receiver and 2 sensors, with a range of 656 ft 200 m in open spaces and 164 ft 50 m through walls. Suitable for apartments, and the battery lasts for over a year! Choose from 58 ringtones of our door sensor chime to customize your alerts for each door or window. Quickly identify where the alarm is coming from, adding an extra layer of security to your home. Adjust the door alarm's volume