Reviews Wireless Door Contacts

Warehouse Doorbell WDK ERA STROBE- Commercial Wireless Doorbell System with Flashing Strobe Light for Noisy & Hearing Impaired Environments - Ideal for Industrial, Manufacturing, Production & Retail

  • INCREDIBLY STRONG, POWERFUL & LOUD DOORBELL: Heavy duty, waterproof wireless door chime transmitter signal penetrates objects that other long range wireless doorbell systems simply can't - even travels through several reinforced concrete walls as well as separate buildings. Adjustable volume control from mute up to 95db. Effective even in the largest homes & commercial buildings..
  • DUAL FUNCTION TRANSMITTER: Can be used as a typical Doorbell Chime push button or as a magnetic door chime where door chimes when door opens making it perfect for a retail door chime, store door entry chime, gate alert, warehouse doorbell or even window alarm..
  • INTEGRATION WITH 12VDC DEVICES REGARDLESS OF MANUFACTURER: Only this wireless door chime gives you the ability to add 12VDC devices (strobes, buzzers, sirens, bells, etc) with (4) 12VDC outputs - 1 per each of the 4 zones. Transmitter features (1) N/O, N/C relay & plug in receiver has (1) C relay..
  • EXPANDABLE, CONFIGURABLE & SIMPLE INSTALLATION: Easily pair an unlimited number of transmitters to a receiver - each receiver has 4 zones, allowing for one of 12 melodies per zone. Easy, hassle-free pairing transmitter to receiver..
  • A WIRELESS DOORBELL FOR HOME OR BUSINESS WITH COUNTLESS USES: Door announcer, call but....
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Hilitchi KSD301 20Pcs NO and NC Thermostat Temperature Thermal Control Switch Auto Reset 40C to 135C Thermal Control Switch Assortment Kit with Bimetal Disc. for Household Electric Appliances

  • ...METAL CAP]KSD301 snap action thermostat is small-size bimetal thermostat series with a metal cap. 40°C ~ 135°C 20 values, total 20 pieces (each value 1 piece). This wing temperature sensor features stable performance, high precision, small in size, light weight, high reliability, long life and low interference to wireless..
  • [HIGH SENSITIVITY]High sensitivity and reliability of pins. What’s more, there are some engraved numbers and letter on the metal cap for the size recognition. No fluid is allowed to submerge inside the thermal control switch and cracks on the cap is unusable..
  • [APPLICATION] For Household electric appliances, PC, Microwave ovens, Irons, Refrigerators, Electronic oven, heating unit, coffeepot, water heater, etc. Normally closed thermal switch means that the contacts of thermal switch normally remain closed. When temperature increases to the set value, the contacts would open and cut the circuit OFF.Normally open thermal switch means that the contacts of thermal switch normally remain open. When temperature rises, the contacts would close and connect t.
  • [NICELY-PACKED PACKAGE] 20pcs would be put in a hard plastic storage box seperately, all total 2boxes and they would be put in a zip lock bag. Each value of thermostat would be put ....
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Elegent Upholstery Glass Door Pivot Hinge Pair Set for 5/16 or 1/4 Inch Thick Glass - Black

  • They are supported the bottom arm and the floor instead of the door frame which reduces the stress on the frame..
  • Thicken the shaft cylinder, more durable to use, still beautiful..
  • Brushed stainless steel, not rusty, not easy to and prolong the service life..
  • Utilizing the multi- angle rotation of the shaft and the load- bearing function, you can a similar opening effect to the door of the home..
  • Thicken the contacts and collision part of the door, with load- bearing capacity and long service life..
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NATSUKAWA Doorbell Camera Wireless - Smart WiFi Video Doorbell with Chime- App Alerts, IP65, Night Vision, 2 Way Audio, Powered Smart Security Camera Video Wireless Doorbell for Home, Easy Install

  • 【Two Way Audio & Voice Changer】Wireless doorbell camera, It has a built-in microphone and speaker system, which provides a two-way high-fidelity conversation all the time. Smart video doorbell can lets you changing the voices to protect privacy and talk to the front door anytime, anywhere after. Wifi video doorbell camera is Perfect for people living alone..
  • 【IP65 Weatherproof & Free Wireless Chime Included】Video doorbell wireless with high-quality material cover and IP65 waterproof, the wire-free video door bell is durable enough to withstand bad weather, like rainy and snowy weather. Doorbell chime with 19 ringtones and 4 volume levels is included..
  • 【Rechargeable Battery & 100% Wireless】 This wire-free video door bell is battery powered,with built-in larger capacity rechargeable batteries and working for you around up to 180days with a full charge, no wire needed, you can install natsukawa smart wireless doorbell camera beside your door with adhesive tape or screws easily..
  • 【Multiple-User Sharing&Night Vision】 As the owner of the home door camera, you can remotely know from your doorbe....
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SadoTech Wireless Doorbell for Home - Battery Operated, 1000 Feet, Wireless Door Bell w/LED Flash, 2 push buttons + 1 receiver, Matte Black

  • ★PAIRS & CONNECTS EASILY FOR quick, frustration-free installation anywhere in your home. WHILE OTHER doorbells wireless are DIFFICULT TO SET UP or DON’T WORK CONSISTENTLY, door bells by SadoTech extend OVER 1000FT of RANGE in open areas & are PROVEN TO WORK THROUGH DOORS & WALLS. Great for large homes, apartments, offices & warehouses. And with BATTERY LIFE of UP TO 3 YEARS, you’ll never miss a chime! Use as door chime for business when entering or classroom doorbell for teachers!.
  • ★THIS WIRELESS DOORBELL KIT IS the perfect starter for any wireless door bell user. KIT CONTAINS: 2 wireless doorbell transmitters and 1 plug in smart doorbell receiver, double sided mounting tape, anchors, screws and A23 BATTERY INCLUDED. Sleek, modern LED INDICATOR lights illuminate both transmitter & receiver & can be set at 4 VOLUME SETTINGS, from low for naptime to high during a party. Our extensive COLOR SELECtION means you’ll find the right door bell push button to suit your style..
  • ★BUILD THE ULTIMATE SMART door bell system – With multiple wireless door bells you can CONFIGURE each door with A DIFFERENT CHIME or ringtone. KNOW EXACTLY WHICH DOOR your visitors are calling from. For homes or offices with multiple entry points, this is CONVENIENT....
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The Kadison-Singer Property (SpringerBriefs in Mathematical Physics Book 14)

  • [Both Manually and Automatically Open Door]Manually push force can be adjusted on closing force by handheld programmer,more easily to manually push open door when it is low closing force.
  • [Safe]Automatically re-open door if it notices an object in the closing path,safe for people access.
  • [Smart WIFI Handicap Door,Compatible with Alexa,Google Assistant]Handicap door opener can be voice controlled by smart speaker,Remote controlled on Phone App from anywhere.
  • [Easy Installation and Debug]All of parameters can be easily programed via handheld programmer,USA Technical phone support is available,you can call for help when there is any installation problem.
  • [Wireless&Wireless Handicap Push Buttons for Disabled]Comes with stainless steel wireless&hardwired handicap push switch,stable and high sensitivity,wired and wireless can be easily switched.
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Gotega Door Stopper, 2 Packs Kickdown Door Stop with One Touch Adjustable Height and Rubber Tip 4 Inches, Door Stops…

  • ...bottom of door, you don't have to bend down and operate with your hands every time. Door holder will attach to the door and can be engaged and disengaged with one foot..
  • 【Innovative Design】This door stop is designed for all doors and made of non-slip rubber and high quality materials. Just make sure door stopper contacts the floor in the right places when you start to install. With foot operated design, you can stop the door whenever and any angle of the door..
  • 【Solid Grip】The metal door stopper can sticks to all surfaces- hardwoods, concrete, tile, carpets. Suitable for various of places such as commercial door stop,garage door stopper and most household doors ect. The step door stop is a great assistant to save your time..
  • 【Maximum Durability】The door holder stopper are made of high-quality materials for long and stable use. Door kickstand is durable enough to keep heavy door open. Please feel free to use it. Use the kick down door stop to avoid crashes, extend the life of the door handle, protect the wall from damage, and keep it clean and smooth..
  • 【Customer Satisfaction Guarantee】 We are striving to provide a high quality product and excellent service (One year warranty). Please feel free to contact us if you have any problems with do....
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Corsair K63 Wireless Special Edition Mechanical Gaming Keyboard, backlit Ice Blue LED, Cherry MX Red - Quiet & Linear

  • New Ice Blue LED backlighting is made to match with Corsair ONE..
  • Connect using ultra-fast 1ms 2.4GHz gaming-optimized wireless technology, low latency Bluetooth wireless, or USB wired..
  • 100% Cherry MX Red mechanical key switches with Gold contacts for fast, precise key presses.Keyboard Cable Type:Tangle-free rubber.
  • Per-key, LED backlighting and large font keycaps deliver vibrant lighting effects.
  • 128-Bit AES encryption mode helps protect your keystrokes from wireless eavesdropping to keep your personal data safe..
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Olideauto Wireless Swing Door Operator,Garage Door Opener Automatic for Commercial Door with Sqaure 4.5'' Wireless Handicap Push Buttons and 880lbs Stainless Steel Electric Strike

  • [Handicap Push Button for the Disabled)Wireless&wired mode can be chosen on the handicap push buttons,Wireless transmission adopts 2.4g wireless communication technology, with good frequency consistency and high wireless transceiver stability..
  • [Safe]Automatically re-open door if door opener notices an object in the closing path,make sure safety of the people in the door way,If used for disabled access, can not manually open the door after knob lock be closed,manually opening door is available after knob lock be opened.
  • [Easy Parameters Adjustment]Lots of parameters such as closing force,locking mode,hold opening time etc can be adjusted by handheld programmer of door opener wireless.
  • [Durable Motor]The motor is very durable and will not burn out easily due to unstable input voltage because it adopts wide voltage technique,workable with input voltage AC100V to AC240V.
  • [Easy Installation&Debug]USA Technical phone support,easy installation and debug.
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