--- product_id: 72915073 title: "HENDUN Motion Sensor Doorbell for Business, Bed Alarm for Elderly Dementia" brand: "hendun" price: "€ 50.28" currency: EUR in_stock: true category: "Hendun" url: https://www.desertcart.hr/products/72915073-hendun-motion-sensor-doorbell-for-business-bed-alarm-for-elderly store_origin: HR region: Croatia --- # 918ft wireless range 36 ringtones + 4 volume levels 13-26ft infrared motion detection HENDUN Motion Sensor Doorbell for Business, Bed Alarm for Elderly Dementia **Brand:** hendun **Price:** € 50.28 **Availability:** ✅ In Stock ## Summary > 🚪 Stay Alert, Stay Ahead: The Motion Sensor Doorbell That Works as Hard as You Do! ## Quick Answers - **What is this?** HENDUN Motion Sensor Doorbell for Business, Bed Alarm for Elderly Dementia by hendun - **How much does it cost?** € 50.28 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/72915073-hendun-motion-sensor-doorbell-for-business-bed-alarm-for-elderly) ## 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 - • **Smart Fall Prevention:** Accurate floor-level motion detection gives precious seconds to prevent senior falls without false alarms. - • **Effortless Wire-Free Setup:** Pre-paired sensor and receiver for instant, hassle-free installation anywhere. - • **Unmatched Long-Range Freedom:** Stay connected up to 918ft away—perfect for multitasking caregivers and busy professionals. - • **Customizable Alerts for Every Situation:** Choose from 36 melodies and 4 volume levels including silent LED mode to suit day or night care. - • **Dual Power Options for Ultimate Flexibility:** Use AAA batteries for portability or USB-C for continuous power—your choice, your convenience. ## Overview The HENDUN Motion Sensor Doorbell combines advanced infrared detection with a powerful 918ft wireless range and customizable audio-visual alerts. Designed for both business entrances and sensitive elderly care, it offers easy wire-free installation, multiple ringtones, and flexible power options—ensuring you never miss a moment, whether monitoring a storefront or protecting loved ones with dementia. ## Description HENDUN Motion Sensor Doorbell for Business, Bed Alarm for Elderly Dementia | Door Chime for Business, Entry Alert Store Welcome Buzzer Monitor , Fall Detection Alarm for Seniors , Caregiver Reminder - desertcart.com ## Features - Easy Wire-Free Installation: Motion sensor detects movement and sends a signal to the receiver. Pre-paired system allows you to place the motion sensor detector in the room of elderly individuals with Alzheimer's or sleepwalking tendencies and position the receiver in your room for convenient monitoring - Selectable Ringtones with Visual and Audio Alerts: Fully customizable for day and night use. Features 4 adjustable volume levels (25dB113dB) and a Silent/Light-Only mode (LED flash) to avoid startling sleeping patients. Choose from 36 melodies for home care or 5 loud Welcome songs for retail stores and business entrances - 918FT Long-Range Freedom for Caregivers: With a transmission range of up to 918ft, you can cook in the kitchen, watch TV in the living room, or rest in another room while staying connected. The portable receiver alerts you immediately when motion is detected. Detection range of the infrared sensor approximately 13-26ft to keep you informed and safe - Early Fall Prevention for Seniors: Provides vital seconds to help your loved ones before they fall. Unlike traditional bed pressure pads that trigger false alarms when patients roll over, this wireless motion sensor can be placed on the floor to accurately detect when feet touch the ground for monitoring elderly individuals with dementia or sleepwalking habits without disturbing their sleep - Dual Power Supply Options: The receiver can be powered by standard 3x AAA batteries for portable use or a USB-C cable. Features 4 stages adjustable volume (Loud/High/Middle/Low) ranging from 113-25dB with light mode options - Versatile 918FT Long-Range Protection: Suitable for camping security, mailbox alerts, basement door monitoring, and tracking pets. With a 918ft transmission range, the sensor instantly alerts you to intruders or when mail arrives. Infrared sensor detection range approximately 13-26ft to keep you informed and safe ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B077VV8ZJ1 | | Audible Noise | 113 db | | Battery Description | Alkaline | | Best Sellers Rank | #46,165 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #46 in Door Bells Chimes | | Brand | HENDUN | | Color | 1 Receiver & 1 Transmitters | | Compatible Devices | Motion Detector | | Control Method | Remote | | Customer Reviews | 4.4 4.4 out of 5 stars (1,478) | | Item Dimensions L x W x H | 3.94"L x 1.97"W x 2.76"H | | Item Weight | 7.04 ounces | | Manufacturer | Changzhou Hengdun Electronic Technology Co Ltd | | Maximum Range | 25.92 feet | | Mfr Part Number | 43239-217649 | | Model Number | 43239-217649 | | Mounting Type | Wall Mount | | Power Source | Battery Powered | | Sensor Technology | Motion Sensor | | UPC | 664248632944 | | Unit Count | 1 Count | ## Product Details - **Brand:** HENDUN - **Color:** 1 Receiver & 1 Transmitters - **Compatible Devices:** Motion Detector - **Power Source:** Battery Powered - **Product Dimensions:** 3.94"L x 1.97"W x 2.76"H ## Images ![HENDUN Motion Sensor Doorbell for Business, Bed Alarm for Elderly Dementia - Image 1](https://m.media-amazon.com/images/I/51zLfQyHVVL.jpg) ![HENDUN Motion Sensor Doorbell for Business, Bed Alarm for Elderly Dementia - Image 2](https://m.media-amazon.com/images/I/31Llq70mS-L.jpg) ![HENDUN Motion Sensor Doorbell for Business, Bed Alarm for Elderly Dementia - Image 3](https://m.media-amazon.com/images/I/514xgp9l8hL.jpg) ![HENDUN Motion Sensor Doorbell for Business, Bed Alarm for Elderly Dementia - Image 4](https://m.media-amazon.com/images/I/51IXr9FbprL.jpg) ![HENDUN Motion Sensor Doorbell for Business, Bed Alarm for Elderly Dementia - Image 5](https://m.media-amazon.com/images/I/51Kq-YzF-dL.jpg) ## Available Options This product comes in different **Color** options. ## 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.hr/products/72915073-hendun-motion-sensor-doorbell-for-business-bed-alarm-for-elderly](https://www.desertcart.hr/products/72915073-hendun-motion-sensor-doorbell-for-business-bed-alarm-for-elderly) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-08-20*