alarm clock with battery backup

Door Chime for Business When Entering - BITIWEND Wireless Doorbell Chime - Door Alarm Sensor with 600 FT Range 58 Chimes 5 Volume Levels LED Indicator (1 Plug-in Receiver & 3 Door Sensor)

Protocol: Other
Type: Smart Doorbell
Model #: 320XF

$59^.99 –
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Wireless Door Sensor, BITIWEND Door Chime Doorbell with 600ft Operate Range 58 Chimes 5 Volume Level LED Indicator Door Open Alarm for Business/Office/Home/Store When Entering, 1Sensor+1Receiver

Protocol: Other
Type: Smart Doorbell
Model #: 320DZB

$49^.99 –
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No Battery RequiredWireless Doorbell Waterproof, Door Bell Chime with 1 Press Self-Powered Transmitter & 1 Plug-in LED Flash Receivers, 60 Chimes, 5 Level Volumes (Black)

Protocol: Other
Type: Smart Doorbell
Model #: 320W1

$52^.88 –
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SURFOU Doorbell,Wireless Doorbell Battery Operated Button 2 Plugin Receivers 1300ft Remote Range Waterproof Door Bell Kits with 55 Chimes 5 Volume Level Flash LED Doorbells for Home Classroom,Black

Protocol: Other
Type: Smart Doorbell
Model #: 321HZ

$56^.99 –
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Wireless Doorbell, PHYSEN Waterproof Door Bell Chimes for Home Operating at Over 1300-ft Range 58 Adjustable Melodies 5 Volume Levels Door Alarm kit with LED Strobe (1 Button +1 Receiver)

Protocol: Other
Type: Smart Doorbell
Model #: 319QVS

$42^.99 –
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Self-Powered Doorbell, PDGROW Wireless Doorbell No Battery Required Cordless Door Chime Kit Push Button Waterproof at 500-feet Range with 38 Chimes, 4-Level Volume & LED Flash - USA Plug Black

Protocol: Other
Type: Smart Doorbell
Model #: 3213

$44^.99 –
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TECKNET Wireless Doorbell, Portable Doorbell with RGB Light, Battery Powered IP66 Waterproof Cordless Door Chime Kit, 1300 ft Wireless Range, 60 Chimes & 5 Level Volume, Using Time up to 4.5 Years

Protocol: Other
Type: Smart Doorbell
Model #: 319Q6

$48^.99 –
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Wireless Video Doorbell Camera with Chime & Multi-Angle Bracket, 1080P, Battery-Powered, No Monthly Fees, 2.4GHz WiFi, Alexa Compatible

Protocol: Other
Type: Smart Doorbell
Model #: 320TH

$115^.99 –
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AUTENS Wireless Doorbell, Plug in Door Bells & Chimes for Home Classroom Business, Expandable Waterproof Door Chime Kits Battery Operated, 58 Melodies, 5 Levels Volume, 850 Ft Range

Protocol: Other
Type: Smart Doorbell
Model #: 320DWF

$47^.09 –
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AUTENS Wireless Doorbell, Plug in Door Bells & Chimes for Home Classroom Business, Expandable Waterproof Door Chime Kits Battery Operated, 58 Melodies (1 receivers + 1 Push Button, White)

Protocol: Other
Type: Smart Doorbell
Model #: 321VX

$46^.99 –
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Wireless Doorbell, 1300ft Range, 58 Chimes, 4 Volume, Quality Sound, Loud, Stable Signal, Bright LED Flash, 2 Plug-in Receivers+2 Battery-Powered Transmitters, Easy to Install, Waterproof, White

Protocol: Other
Type: Smart Doorbell
Model #: 319F8N

$53^.96 –
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AUTENS Wireless Doorbell, Waterproof Door Bells & Chimes with 2 Plugin Receivers & 1 Push Button Transmitter (Battery Operated), 36 Chimes, 4 Level Volume, 1000 Ft Long Range, LED Indicator

Protocol: Other
Type: Smart Doorbell
Model #: 32023R

$57^.99 –
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Wireless Doorbell Camera with Chime, XTU 1080P HD Video Doorbell, Night Vision, Voice Features, PIR Motion Detection, 2-Way Audio, Battery Powered, Supports SD Storage

Protocol: Other
Type: Smart Doorbell
Model #: 320ZC

$99^.99 –
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Video Doorbell Camera Wireless with Chime, with Multi-Angle Bracket, No Subscription, Voice Changer, 2-Way Audio, Motion Detection, 1080P, Night Vision, 2.4G, IP66, Battery Powered, Works with Alexa

Protocol: Other
Type: Smart Doorbell
Model #: 320QG1

$139^.99 –
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MUBVIEW Doorbell Camera Wireless No Subscription - SD Card & Cloud Storage, Smart WiFi Video Doorbell with Chime, Voice Changer, Battery Powered, 2-Way Audio, Human Detection, Night Vision

Protocol: Other
Type: Smart Doorbell
Model #: 321WK

$88^.99 –
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GE Wireless Doorbell Kit, 2 Melodies, 1 Push Buttons, 4 Volume Levels, 150 Ft. Range, Mountable, White, 19247, Battery-Operated Receiver, 2 Each

Protocol: Other
Type: Smart Doorbell
Model #: 321ZK

$55^.28 –
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XTU 2K Full HD Smart Video Doorbell - Wireless Chime, Battery Operated Doorbell Camera, Night Vision, 2-Way Audio, PIR Human Detection, Custom Motion Zones, Voice Changer & Voice Message, Supports SD

Protocol: Other
Type: Smart Doorbell
Model #: 32086

$77^.24 –
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Wireless Doorbell, Plug and Play Waterproof Doorbell, Door Bell Operating Range Up to 1000 Feet, Chime with 5 Volume Levels and 60 Chimes, for Home Office Shops Classroom etc, 1 Receiver+1 Button

Protocol: Other
Type: Smart Doorbell
Model #: 321B9

$45^.99 –
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Waterproof Wireless Doorbell, Play and Plug Doorbell No Batteries, Chime with 38 Melodies 3 Adjustable Volume and Blink LED Doorbell Kit Easy Install for Home Classroom, Operated at 488 ft/150 m

Protocol: Other
Type: Smart Doorbell
Model #: 321RL

$46^.99 –
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Wireless Doorbell, 1000Ft Operating Range Waterproof Ring Doorbell Easy Installation Doorbell Chime Kit with 38 Chimes 4 Adjustable Volume LED Flash Indicator Door Bell for Home Classroom Office Black

Protocol: Other
Type: Smart Doorbell
Model #: 3205K

$48^.99 –
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Werleo Video Doorbell Smart Doorbell 720P HD Wifi Security Camera with Door Chime 8G Memory Storage Real-Time Two-Way Talk and Video Night Vision PIR Motion Detection and App Control for IOS Android

Protocol: WiFi
Type: Smart Doorbell
Connectivity: WiFi
Model #: tidkw

$130^.99 –
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Wireless Doorbell, Door Bell Chime Kit with 60 Melodies, 4 Levels of Volumes and LED Flash, Easy Setup for Home and Office(1 Receiver + 1 Button, Black)

Protocol: Other
Type: Smart Doorbell
Model #: 320ZB

$43^.99 –
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SURFOU Doorbell,Waterproof Wireless Doorbell Operated at 1300ft/400m Long Range Door Bell with 55 Chimes 5 Adjustable Volume Levels and LED Flash Indicator Doorbell Kit for Home Classroom

Protocol: Other
Type: Smart Doorbell
Model #: 319S4

$46^.99 –
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SURFOU Wireless Doorbell Easy Installation Waterproof Door Bell with Adjustable Volume 55 Ringtones LED Indicator 1300Ft Range Wireless Doorbells for Home,1 Button 2 PlugIn Receivers,Black

Protocol: Other
Type: Smart Doorbell
Model #: 319GZY

$57^.99 –
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SURFOU Wireless Doorbell,Door Bell 1300ft Coverage with 2 Plug In Receivers 1 Waterproof Push Button,55 Ringtones,5 Adjustable Volume,LED Flash, Loud Sound Doorbell for Home Classroom Teachers,Black

Protocol: Other
Type: Smart Doorbell
Model #: 320D7N

$58^.99 –
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Doorbell, Nestling® Waterproof Mini Wireless Doorbell Chime Kit-1000 Ft Range 55 Chimes 5 Volume Led Flash, Easy Install Door Bells with 1 Plug-in Doorbell Chime & 1 Door Bell Ringer Button for Home

Protocol: Other
Type: Smart Doorbell
Model #: 3208C

$46^.99 –
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Werleo Video Doorbell Intercom 960P HD WiFi Video Doorbell With Camera Peephole Door Chime 8G Memory and Night Vision

Protocol: WiFi
Type: Smart Doorbell
Connectivity: WiFi
Model #: tdhm

$133^.99 –

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TECKNET Wireless Doorbell, IP65 Waterproof Door Bells for Home with 2 USB Ports, Door Bell Ringer Wireless with 60 Chimes, 5 Adjustable Volume and 1300Ft Range for Classroom Office Bedroom (White)

Protocol: Other
Type: Smart Doorbell
Model #: 320TN

$59^.99 –
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Wireless Doorbell with 2 Push Button Waterproof Transmitter and 1 Plugin Receivers Operating at over 1000-feet Range with Over 50 Chimes, No Batteries Required for Receivers

Protocol: Other
Type: Smart Doorbell
Model #: 3209N

$55^.99 –
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Doorbell, Lovin Product Waterproof Wireless Doorbell Chime Kit with 36 Chimes, Adjustable Volume; 1000feet Operating, with Sound LED Flash Door Bell for Home (1 Receiver x 1 Push Button)

Protocol: Other
Type: Smart Doorbell
Model #: 32012RT

$47^.99 –
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Nestling® Wireless Doorbell, IP55 Waterproof Door Bell with 55 Chimes Adjustable Volume LED Flash 1000Ft Operating Range, Easy Install Plug in Doorbell Chime Kit, Black

Protocol: Other
Type: Smart Doorbell
Model #: 320NG

$49^.99 –
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SURFOU Doorbell Easy Installation 1300ft Wireless Range Loud Enough Door Bell with 55 Ringtones 5 Volume Levels Mute Mode LED Flash Doorbells for Home Apartments Businesses Classrooms

Protocol: Other
Type: Smart Doorbell
Model #: 319MK

$47^.99 –
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Liztek Portable Wireless Doorbell with 2 Remote Button and 1 Receiver Operating at 1000 feet Range with 52 Wireless door Chimes, Batteries Not Required for Receivers (White)

Protocol: Other
Type: Smart Doorbell
Model #: 321D0

$51^.36 –
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Wireless Doorbell with 2 Receivers, PHYSEN Waterproof Door Bells & Chimes Wireless, Over 1000ft Coverage, 58 Chimes, 110dB Loud Sound and LED Flash, Doorbell Chimes for Home Classroom, Black

Protocol: Other
Type: Smart Doorbell
Model #: 320T8

$54^.99 –
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Kasonic DB201 Wireless Doorbell, Plug and Play Waterproof Door Bell Kit; Operating Range Up to 1000 Feet; 4 Levels Adjustable Volume; 36 Chimes Quality Sound and LED Flash Indicator (White)

Protocol: Other
Type: Smart Doorbell
Model #: 319NSD

$48^.99 –
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eufy Security Smart Lock C220, Fingerprint Keyless Entry Door Lock, Built-in Wi-Fi, App Remote Control, Front Door Smart Lock Deadbolt, 8Months Battery, Reliable Power, IP53 Waterproof, BHMA Grade 3

Protocol: WiFi
Type: Smart Lock
Color: Black
Amazon Alexa Compatibility: Yes
Model #: T8506111

$209^.98 –
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Smart Door Locks & Access