Reviews Burglar Alarm Sensor

Door Chime, Wireless Door Window Contact Sensor Alarm, 500ft Range 32 Chimes 5 Volume Level LED Indicators, 1 Plug-in Receiver Door Sensor for Business/Home/Store (1 Receiver +1 Sensor)

  • ...ing 3 alarm sounds, 9 short ringtones, 20 long ringtones, save your time to choose and meet your needs for different occasions like home, business or store..
  • [Door/Window Open Alert] Perfect for adding a sense of security if you have children or senior family members. This business door alarm entry chime alerts when burglar opens the door or window and helps deter break-ins(wireless door alarm activates when magnetic sensor separates). You can use the door sensor chime on the back door as an alarm, or as a way to remind businesses on the front door when a customer’s coming in..
  • [Easy to Set up] 5 levels of adjustable volume from 0-110 dB (Mute Mode Included). LED indicators are suitable for the elderly and the hearing impaired. Different ringtones are set for different doors so you can know which door you have a visitor to come in. Our door alert can remember your last melody and volume level after a power outage, no need to reset to your previous settings..
  • [500ft Wide Detection Range & 20 Expandable] The doorbell chime kit can reach out up to 500 feet wide enough range where it is open area. And it is expandable up to 20 ones, either the receiver can be paired up to 20 chime sensors, or 1 door sensors can be paired up to 20 receivers. You can i....
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Door Chime, Wireless Door Sensor Alarm for Business Store Home Office, Easy to Install, 600ft Long Range, Loud Clear 58 Chimes, 5 Volume Levels, LED Light Flash, 1 Door Sensor + 1 Receiver

  • ...to 110 dB) to meet your needs for different occasions. Remembers your last melody and volume level after a power outage.
  • no need to reset to your previous settings..
  • Door Entry Window Open Alarm - This door chime can be used as an alarm to remind businesses front door when burglar opens door and helps deter break-ins. Perfect for family which has children or elders..
  • Up to 600 FT Working Rang - Wireless door sensor chime with working rang up to 600ft in open area to cover your house or store, ensures you will never miss a visitor. Note: The battery level will affect the signal receiving range. It is recommended to change it once every 12 months..
  • Expandable - Each door sensor or receiver can be expandable,you can use them with additional COTINSE door sensors or doorbells. You can install them in your dining room, bedroom, living room, garage, yard, or your store and office..
  • Easy to Install to Use - Just plug the doorbell receiver into any standard outlet and tear the double-sided adhesive tape on the back of door sensor(or screw mounted) to stick to the door or window, please take....
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Window Door Alarm Sensors for Kids Safety Pool Door Alarms for Home Security

  • 【Upgraded Window Alarms】CHIME/ALARM 2 MODES, Chime mode will sound twice when the door/window is opened,ALARM MODE will keep souding when door or window is opened.
  • when burglar opens or break-ins the store or home, the sound will scare off the burglar and reminding you.
  • 【Protect Your Kids Safety】This door alarms is a good reminder ,it will send alarms to warn you if your kids who sneak out bedroom or house and also will alert you if someone opens your door/window..
  • 【Easy To Install】 ,Peel and stick the product to door or window with the double-sided tape, No wiring needed! MAKE SURE THE GAP BETWEEN THE ALARM AND MAGNET PART WITHIN 0.6IN.
  • 【 GIFT & WARRANTY】This alert chime is a good gift for relatives and friends to used to remind visitors, family anti-theft,etc. 1-year warranty and please contact us if you have any questions for our door bells chimes.
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KERUI Upgraded Standalone Home Office Shop Security Alarm System Kit,Wireless Loud Indoor/Outdoor Weatherproof Siren Horn with Remote Control and Door Contact Sensor,Motion Sensor,Up to 115db

  • ...the operation,or need pug in/out again into setting status.DOOR ALARM uses remote control to set security code for arming/disarming.
  • home alarm system complete with fully programmable main unit and sensors,if you want to DIY,please restore factory as manual or operation video,then add them again..
  • DIY expandable home burglar security alarm system-this alarm horn support up to 30 pcs wireless detectors,8 remote keyfobs,loud up to 115db deluxe door alarm system for peace of mind..
  • Complete DIY wireless house burglar alarm system kits includes a horn and three window/door sensors,two remote controls,two pir motion detectors, loud alarming to protect well for apartment shed hotel garage RV motor home safety ,affordable home security..
  • Loud SOS alarm and easy to get help-children and seniors at home in emergency,press the S button of the remote controller,which will trigger the siren alarm up to 115db to notice neighbors or other families in home so that they will get help in time..
  • After sale service- Kindly refer the user manual before usage,if you have any issues or need to customize alarm system kit,please feel free to contact us in our shop,we will try our best to help you out soon.
  • the alarm system kit can compatible with KERUI brand another type alarm hu....
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KERUI Upgraded Home Security System Indoor Outdoor Weather-Proof Siren Window Door Sensors Motion Sensor Alarm with Remote Control more DIY, Wireless House Hotel Garage Shop Burglar Door Alarm System

  • ...the operation,or need pug in/out again into setting status.DOOR ALARM uses remote control to set security code for arming/disarming.
  • home alarm system complete with fully programmable main unit and sensors,if you want to DIY,please restore factory as manual or operation video,then add them again..
  • DIY expandable home burglar security alarm system-this alarm horn support up to 30 pcs wireless detectors,8 remote keyfobs,loud up to 115db deluxe door alarm system for peace of mind..
  • Complete DIY wireless house burglar alarm system kits includes a horn and two window/door sensors,two remote controls,one pir motion detectors, loud alarming to protect well for apartment shed hotel garage RV motor home safety ,affordable home security..
  • Loud SOS alarm and easy to get help-children and seniors at home in emergency,press the S button of the remote controller,which will trigger the siren alarm up to 115db to notice neighbors or other families in home so that they will get help in time..
  • After sale service- Kindly refer the user manual before usage,if you have any issues or need to customize alarm system kit,please feel free to contact us in our shop,we will try our best to help you out soon.
  • the alarm system kit can compatible with KERUI brand another type alarm hub,....
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SECRUI Door Chime – Door Entry Chime for Front Door – Wireless Door Sensor with 52 Chimes Flash Lights Adjustable Volume Levels – Door Ringer for Business/Office/Home Entry – Over 500ft Coverage

  • 【Wide Working Range】:This wireless door open chime for home is up to 400 ft in open area, magnetic door sensor will automatically trigger the receiver when the magnetic strip is separated and the receiver will alerts immediately whenever the door or window is opened.
  • 【24/7 Lifeguard for Your Family】This business door entry chime alerts when burglar opens door and helps deter break-ins(wireless door alarms activates when magnetic sensor separates).
  • 【Mini Contact Sensor】Door alarm sensor (size: 3.0 x 1.0 x 0.60 inch), magnetic strip (size: 1.7 x 0.6 x 0.4 inch). They are small size and can be installed or placed at any indoor position to provide you with a door entry chime/alert system..
  • 【52 Music with Mute to Loud dB】This door entry alert for business has 5 levels of adjustable volume from 0-110 dB.Offer 52 elegant music from the traditional"Ding Dong" to various well know chimes.Memory function: Keep the previous setted tune after re-plugging it.
  • 【Easy to install】Just plug the doorbell receiver into any standard outlet and tear the double- sided adhesive tape which on the back of door sensor( or screw mounted) and stick them to the door or window is fine,please take the insulating paper away before using the sensor..
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Fielect 30Pcs MC-38 Surface Mount Wired N.C Door Sensor Alarm Magnetic Reed Switch White

  • [Dimension] - Cable Length:250 mm；Sensing Distance: 15-25 mm；Total Size: 27mm x 28mm x 7.5mm / 1.06" x 1.1" x 0.3"(L*W*H).
  • [Normally Closed] - N.C. means Normally Closed: When the magnet together, the circuit is conductive( light on ).
  • when the magnet separates, the circuit is not conductive ( light off )..
  • [Widely Usedl] - This Door Contact Sensor works with any access control or burglar alarm system available.
  • [Note] - the Magnetic Door Switch must be installed according to the sensing distance. It can only provide a switch signal to the transmitter. It cannot directly load the power, nor directly connect the lamp!.
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Fielect 2pcs MC-38 Surface Mount Wired N.C Door Sensor Alarm Magnetic Reed Switch White

  • [Dimension] - Cable Length:250 mm；Sensing Distance: 15-25 mm；Total Size: 27mm x 28mm x 7.5mm / 1.06" x 1.1" x 0.3"(L*W*H).
  • [Normally Closed] - N.C. means Normally Closed: When the magnet together, the circuit is conductive( light on ).
  • when the magnet separates, the circuit is not conductive ( light off )..
  • [Widely Usedl] - This Recessed Door Contact Sensor works with any access control or burglar alarm system available.
  • [Note] - the Magnetic Door Switch must be installed according to the sensing distance. It can only provide a switch signal to the transmitter. It cannot directly load the power, nor directly connect the lamp!.
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Fielect MC-38 Surface Mount Wired N.C. Door Sensor Alarm Magnetic Reed Switch White, 1Pcs

  • [Dimension] - Cable Length:250 mm；Sensing Distance: 15-25 mm；Total Size: 27mm x 28mm x 7.5mm / 1.06" x 1.1" x 0.3"(L*W*H).
  • [Normally Closed] - N.C. means Normally Closed: When the magnet together, the circuit is conductive( light on ).
  • when the magnet separates, the circuit is not conductive ( light off )..
  • [Widely Usedl] - This Recessed Door Contact Sensor works with any access control or burglar alarm system available.
  • [Note] - the Magnetic Door Switch must be installed according to the sensing distance. It can only provide a switch signal to the transmitter. It cannot directly load the power, nor directly connect the lamp!.
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