Wireless Door Chime for Business Entering, Door Open Alarm for Kid/Toddler Home Safety (500ft Range 51 Ringer) Door Dinger Buzzer Alert, 1 Receiver +2 Sensor
Easy Installation: The wireless door chimes receiver is plug-and-play! Simply stick the sensor to the installation position using double-sided tape. Screws (included)can also be used for installation in special positions.
Door Open Alarm: When a door or window is opened, the buzzer will instantly play the ringing of your choice. Up to 500 feet of wireless connectivity in open areas. Great for retail store front door, office entrances, business entrances.
Battery Upgrade: Door chime sensor battery upgraded from 23A to AAA battery (included);Longer life, no need to replace batteries frequently.
51 Tones: Choose from 51 wireless door chimes (short/long tunes, buzzer alerts) for business/home/bedroom, classrooms entry notifications.
5 Levels of Volume: Adjustable loudness (1-5 levels of volume). Maximum 110DB, suitable for noisy retail stores, classrooms; support switching mute mode, can be muted in the conference room or sleep.
