--- product_id: 313939218 title: "HENDUN Motion Sensor Doorbell , Bed Alarms for Elderly Dementia Patients , Do..." brand: "hendun" price: "¥9564" currency: JPY in_stock: true category: "Hendun" url: https://www.desertcart.jp/products/313939218-hendun-motion-sensor-doorbell-bed-alarms-for-elderly-dementia-patients store_origin: JP region: Japan --- # 13-26ft motion detection 918ft wireless range 36 selectable ringtones HENDUN Motion Sensor Doorbell , Bed Alarms for Elderly Dementia Patients , Do... **Brand:** hendun **Price:** ¥9564 **Availability:** ✅ In Stock ## Summary > 🔔 Elevate your entry game—never miss a visitor or alert again! ## Quick Answers - **What is this?** HENDUN Motion Sensor Doorbell , Bed Alarms for Elderly Dementia Patients , Do... by hendun - **How much does it cost?** ¥9564 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/313939218-hendun-motion-sensor-doorbell-bed-alarms-for-elderly-dementia-patients) ## Best For - hendun enthusiasts ## Why This Product - Trusted hendun brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Long-Distance Alert:** Stay informed up to 918 feet away—perfect for large stores, offices, or multi-room monitoring. - • **Multi-Use Smart Sensor:** From retail door chime to elderly care alert, this versatile device covers all your professional and personal needs. - • **Adaptive Volume & Light:** Four volume levels up to 113dB plus adjustable colorful LED lights for discreet or bold notifications. - • **Customizable Soundscape:** Choose from 36 ringtones and 5 business-friendly welcome songs to match your brand’s personality. - • **Effortless Wireless Setup:** Install in minutes—no wires, no hassle, just instant security and welcome vibes. ## Overview The HENDUN Motion Sensor Doorbell is a wireless, motion-activated alert system designed for business and home use. Featuring a 918-foot transmission range, 36 customizable ringtones, and adjustable volume up to 113dB, it offers versatile applications from retail welcome chimes to caregiver reminders. Its easy installation, multi-sensor compatibility, and colorful LED indicators make it a smart, professional-grade solution for modern security and customer engagement. ## Description HENDUN Motion Sensor Doorbell, Door Chime for Business, Store Welcome Buzzer Monitor, Commercial Door Entry Alert,Motion Detector Alarm, Caregiver Reminder for Elderly, Visitor Bell Dinger : desertcart.ae: Tools & Home Improvement ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B077VV8ZJ1 | | ASIN | B077VV8ZJ1 | | Audible Noise | 113 Decibels | | Battery Description | Alkaline | | Best Sellers Rank | #128,694 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #253 in Motion Detectors | | Brand | HENDUN | | Color | Black | | Compatible Devices | Motion Detector | | Control Method | Remote | | Customer Reviews | 4.4 4.4 out of 5 stars (1,404) | | Customer reviews | 4.4 4.4 out of 5 stars (1,404) | | Date First Available | 24 February 2018 | | Is Discontinued By Manufacturer | No | | Item Dimensions L x W x H | 10L x 5W x 7H centimeters | | Item Weight | 0.44 Pounds | | Item model number | 43239-217649 | | Manufacturer | HENDUN | | Manufacturer | HENDUN | | Maximum Range | 25.92 Feet | | Mfr Part Number | 43239-217649 | | Model Number | 43239-217649 | | Mounting Type | Wall Mount | | Power Source | Battery Powered | | Product Dimensions | 10.01 x 5 x 7.01 cm; 199.58 g | | Sensor Technology | Photoelectric Sensor | | UPC | 664248632944 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** HENDUN - **Colour:** Black - **Compatible devices:** Motion Detector - **Power source:** Battery Powered - **Product dimensions:** 10L x 5W x 7H centimeters ## Images ![HENDUN Motion Sensor Doorbell , Bed Alarms for Elderly Dementia Patients , Do... - Image 1](https://m.media-amazon.com/images/I/51zLfQyHVVL.jpg) ## Questions & Answers **Q: how do you sinc two receivers to one sensor?** A: long press the volume key for 3 seconds,enter into learning mode, release the volume key, program starts. The user manual will be introduced in detail. **Q: Can i use power bank as power source?** A: Yes, you can. Receiver of the bell using 3 5(AA) alkaline batteries or Micro USB supply power( not included), Infrared curtains using 3 7(AAA) alkaline batteries or Micro USB supply power( not included). **Q: how do i buy the remote controller ?** A: You can buy this https://www.amazon.com/dp/B01HUS7RP0/ref=sr_1_1?ie=UTF8&qid=1529542599&sr=8-1&keywords=B01HUS7RP0 **Q: Does the wind cause this to ring?** A: Thank you for your attention to HENDUN motion sensor doorbell. The wind will not cause the ringing. Thanks again. ## Frequently Bought Together - HENDUN Motion Sensor Doorbell , Door Chime for Business, Store Welcome Buzzer Monitor, Commercial Door Entry Alert,Motion Detector Alarm, Caregiver Reminder for Elderly, Visitor Bell Dinger - Wireless Motion Sensor Door Chime: Business Entry Doorbell Indoor Motion Detector Buzzer (500Ft Range, 32 Tunes, 5 Level Volume) Store Entrance Alert Bell Bed Alarm for Elderly Dementia Patients - Door Chime, Satisure Wireless Door Open Contact Sensor Alarm Chime with 600 FT Range 58 Chimes 5 Volume Levels LED Indicators, Door Ringer Alert for Business/Store/Home/Office When Entering --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/313939218-hendun-motion-sensor-doorbell-bed-alarms-for-elderly-dementia-patients](https://www.desertcart.jp/products/313939218-hendun-motion-sensor-doorbell-bed-alarms-for-elderly-dementia-patients) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-28*