Bitiwend Door Alarm Sensor Bitiwend Wireless Door Chime Alert for Kids Safety Home (1 Receiver 3 Sensors)

Product Description The Door Chime Wireless Door Sensor is a convenient and reliable entry alert system for your home, office, or stores. With a wireless range of 600FT in open areas, it provides flexibility and coverage. Featuring 58 selectable melodies and 5 volume levels, you can customize the chime to suit different occasions. The LED indicators are designed to accommodate the elderly and hearing impaired, providing visual notifications. The door sensor alarm works by attaching two sections of the sensor to a door or window frame. When the door is opened or your pet enters, it triggers the alarm unit to ring. The battery level affects the signal receiving range, so it is recommended to replace the battery every 12 months for optimal performance. This wireless door entry alert chime system is versatile and can be used to monitor children, secure homes, businesses, apartments, garages, offices, retail stores, classrooms, and more. It is easy to install and expand, simply plug the bell into a socket and attach the sensor using the double-sided tape provided. You can add up to 10 additional receivers or transmitters for wider coverage. Enjoy long-term satisfaction with this wireless door chime, as it is approved by FCC, CE, RoHS, and other certificates. Friendly customer service is provided to support your needs. If you have any questions, please message us for assistance. Features 600FT range in open area with 58 selectable melodies and 5 volume levels LED indicators suitable for the elderly and hearing impaired Easy installation and expansion with plug-in receiver and adhesive door sensor Long-term enjoyment with FCC, CE, and RoHS certifications Specifications Connectivity Technology: Wireless Installation Method: Self-Adhesive, Plug-in Plugs Voltage: 110 Volts Battery Cell Composition: Lithium Metal Package Dimensions: 7.17 x 3.7 x 2.95 inches Batteries: 3 Lithium Metal batteries required. (included) Material: ABS Pattern: 3 Door Sensors 1 Plug-in Receivers (Black) Certification: RoHS, FCC Package Included 3 x Door Sensors 1 x Plug-in Receiver (Black) Louder Doorbell with 58 Ringtones & 5-Levels Volume The Door Sensor Chime Alert System is Expandable You can add 58 pieces additional plug-in receivers 600 FT working range