USUPERINK Motion Sensor Bell for Door Entrance,Motion Sensor Chime, Plug in Doorbell Wireless,48 Ringtones, 5 Levels Volume,Easy Installation,1300ft Long Distance,97dB Loud,for Home,Office,Hotel,1PK - KINGSALES TECH INC., ZJUS-KS-DB03-BELL-1PK+Sensor-20R-1PK

• 【🔧 Plug & Play Installation – No Tools Needed】Just plug the receiver into any standard outlet—no wiring or setup hassle. The motion detector installs in minutes using either strong adhesive or the included screws. With a fully rotatable base, it swivels 360° horizontally and 180° vertically for precise positioning. Ideal for customizing your motion sensor door chime, wireless door alert, or visitor chime for home and business use. 【🔔 4-in-1 Motion Sensor Chime 】Combining welcome chime, wireless doorbell, motion alarm, and nightlight in one device, this motion sensor chime is perfect for homes, shops, and offices. When movement is detected near doors, driveways, gates, or hallways, it instantly alerts the plug-in receiver. Whether used as a motion sensor bell for door entrance or a door alert for business, it ensures enhanced safety and convenience. 【🎵 48 Ringtones & 5-Level Adjustable Volume】Customize your motion sensor door chime with 48 unique ringtones—perfect for use as a wireless door sensor chime for business or office. The volume is adjustable across 5 levels (up to 97dB), ensuring it’s loud enough for any environment. For quiet settings, switch to silent LED flash mode, ideal for the hearing impaired or households with sleeping babies. Plus, the built-in nightlight offers 7 levels of soft brightness for added safety and comfort. 【📶 Ultra-Long Wireless Range & Customizable Coverage】Featuring advanced 433MHz wireless technology, this motion sensor chime offers a stable, interference-free signal—penetrating walls and doors with ease. Enjoy an extended range of up to 1300 ft in open areas. Effortlessly pair up to 32 transmitters, including motion sensor bells for door entrances, wireless door sensor chimes for business, or door buttons with a single plug-in receiver. 【💡 Energy Efficient & Dual Power Options】Engineered for energy savings, the plug-in receiver consumes just 100mW in standby mode—translating to only 0.8 kWh per year. The motion sensor transmitter offers flexible dual power supply options: battery-operated or powered via USB, making it easy to install anywhere indoors. (Note: The motion detector is not waterproof—recommended for indoor or covered outdoor use.), Manufacturer: KINGSALES TECH INC.