Elegant Wireless Flashing Home Doorbell Self-Powering Smart Press Energy Design With Elderly Call Functionality For Enhanced Home Convenience Features: 【Self-Powered Mechanism】Utilizing state-of-the-art motion technology, users produce power by simply interacting with the doorbell, eliminating dependency on external electrical sources or the need for ongoing battery replacement. This green approach lowers upkeep hassle and streamlines use. 【Extensive Range of Sounds】 Offering 36 melodious sound options, there's a generous assortment to cater to the eclectic preferences of various users. Whether your taste leans towards classical harmonies or contemporary rhythms, there's invariably an option that matches your living environment's ambiance. 【Variable Volume Options】 The volume can be modified to four unique settings, suiting individual preferences or the requirements of different environments. From whisper-quiet to significantly , the sound ensures it is heard distinctly in any context, mindful of the needs for various events and situations. 【Installation Process】 Featuring a no-fuss stick-on for setting up, eliminating the necessity for wiring or drilling. Positioning the doorbell and receiver in desired spots kickstarts its functionality, greatly simplifying the installation effort. This proves especially advantageous for those leasing their living spaces or anyone preferring not to do with complicated setup procedures. 【Wide Applications】 serving as a conventional door notification system, it also functions effectively as an emergency alert for the elderly, making it particularly fitting for households with older family members. In moments of need, a press by seniors can notify other occupants, fostering an environment of collective support and care within the domicile. Product Description: Product type: Door bell Material: ABS Product color: White Packing size: 8.8x8.3x8.2cm/3.46x3.27x3.23in Gross weight: 150g/0.22lb Scope of application: Home, office, villa, club Ringtone: 36 Power consumption: 0.5W Power supply mode:AC Package Included: 1x doorbell host, 1x doorbell button, 1x manual Features: 【Self-Powered Mechanism】Utilizing state-of-the-art motion technology, users produce power by simply interacting with the doorbell, eliminating dependency on external electrical sources or the need for ongoing battery replacement. This green approach lowers upkeep hassle and streamlines use. 【Extensive Range of Sounds】 Offering 36 melodious sound options, there's a generous assortment to cater to the eclectic preferences of various users. Whether your taste leans towards classical harmonies or contemporary rhythms, there's invariably an option that matches your living environment's ambiance. 【Variable Volume Options】 The volume can be modified to four unique settings, suiting individual preferences or the requirements of different environments. From whisper-quiet to significantly , the sound ensures it is heard distinctly in any context, mindful of the needs for various events and situations. 【Installation Process】 Featuring a no-fuss stick-on for setting up, eliminating the necessity for wiring or drilling. Positioning the doorbell and receiver in desired spots kickstarts its functionality, greatly simplifying the installation effort. This proves especially advantageous for those leasing their living spaces or anyone preferring not to do with complicated setup procedures.