Wireless Door Bell, Smart Loud Ringer, Battery Powered Sensor, Electronic High-Volume Design for House Office Apartment Business Classroom Bedroom Living Room Entryway Security

The Electronic Bedroom Door Bell Ringer is a smart and reliable solution designed to improve convenience in various settings. Featuring a loud chime with adjustable volume, it ensures you never miss a visitor, whether at home or in the office. Battery-powered for flexibility, this device provides long-range coverage, making it suitable for houses, apartments, businesses, classrooms, and more. Its waterproof design allows placement in areas like gates, entries, kitchens, or even outdoors. With 48 chimes to choose from, it caters to diverse preferences, appealing to kids, adults, and the elderly alike. Ideal for bedrooms, living rooms, or any space requiring notification alerts, this versatile Electronic Bedroom Door Bell Ringer seamlessly blends functionality with practicality.SpecificationProduct name: Wireless door bellProduct size: host size: about 8.1x5.4x2.8cm/3.19x2.13x1.1 inchesbutton size: about 7.4x4.4x1.7cm/2.91x1.73x0.67 inchesMaterial: PC+anti-uvWeight: 155gPower supply method: button battery1. Door bell volume: 85-97dB2. Transmit/receive frequency: 43 3.92MHzWireless distance: Approximately 400 meters in open river areas, approximately 110 meters in city squares; approximately 20-80 meters indoors with obstacles.3. Receiver AC power supply voltage range: 80V-275VReceiver standby power consumption: 100mW (approximately 0.8 kWh per year)4. Button battery: Button battery life: 20,000 transmissions, approximately 3-5 years(Estimated based on 10 transmissions per day).5. Operating ambient temperature:Receiver: -20-70°CDoor bell button: -40-70°C6. Operating ambient humidity:Receiver: Less than 90%Door bell button: Less than 95%7. Storage temperature:Receiver: -20-70°CDoor bell button: -40-70°CList1*receiving host (with lanyard)1*door bell button1*Button bottom bracket1*Double-sided tape

• Convenient Mounting Flexibility: Supporting both and screw-based setups, this distinctive wireless entry chime simplifies installation for all age groups, and its streamlined, compact design enhances usability in homes as well as classroom environments effectively
• Hassle-Free Functioning: With zero technical setup and pre-paired functionality, this Door Bell effortless installation in only a single minute without requiring any wiring, granting immediate plug-and-use convenience that benefits households by simplifying the process of setting up reliable entry notification systems even in time-sensitive situations where ease of use is prioritized over technical complexity
• Resilient Wireless Solution: Featuring a robust design capable of enduring between -40C and 70C, the wireless home signaling device delivers unmatched reliability through its 35-year battery life and ultra-low 100mW power usage, enhancing convenience without compromising sustainability
• Adjustable Notification Sound: Equipped with a 40mm metal speaker, the Door Bell Ringer produces a powerful 8597 dB alert that ensures no visitor goes unnoticed, offering adjustable volume levels for daytime preference and silent mode at night to maintain uninterrupted rest in any household setting
• Reliable Transmission Power: This Door Bell Wireless provides a robust 300-meter signal reach, ensuring it operates through thick barriers such as reinforced doors or walls, offering strong anti-interference performance that ensures dependable alerts in large homes and villas, enhancing convenience for users who need uninterrupted notifications across expansive areas