The Best Commercial Door Contacts of 2023

Ideal for residential or commercial use. Designed to do embedded in door or window frame in door or window frames.

How it works: When the wardrobe door is open, the light is on, and when the wardrobe door is closed, the light is off.

Installation: Surface mounted, drill a 10MM diameter hole in the door, inserted directly,magnet axis and switch axis must be in the same straight line.

Note: The multimeter can not be used to the opening and closing of the door switch.

GS PRO TURF: The Commercial Grade synthetic turf is designed to feel like real grass turf while providing for maximum longevity

15mm MAT THICKNESS: Made using a robust 15mm layer of non-slip foam padding to simulate real turf and provide maximum stability on any surface, indoors or outdoors

HUGE 5’ x 4’ SIZE: Designed for right and left handed golfers of all abilities with 6 different teeing positions

3 RUBBER TEES: 1.5” tee allows use of a wood tee at any height, and 2.25” and 3.5” tees provide options for common driver tee heights

Oscillating heads scrubs 60 times per second, so you don’t have to

Interchangeable accessory brushes give you the right tool for the job

Water resistant assembly for durability you expect from Rubbermaid

Pulse and Continuous scrubbing settings

Ergonomic grip and rubberized molding for comfortable cleaning

Pulse and continuous scrubbing settings

Tool delivers 6 Volts of Power

4 AA batteries included

Product Name: 1 Set x Zinc Alloy Magnetic Reed Switch。

Specification: Max.Actuation Distance: 40-50mm, Max. Current: 0.5A.

Application: These are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all burglar alarm system. Work as an anti-theft alarm, ideal for metal door and window.

Note: Door magnetic induction can only provide a switch signal, which can not directly load the power, nor directly connect the lamp!

NC means Normally Closed:When the magnet together, the circuit is conductive( light on ); when the magnet separate, the circuit is not conductive ( light off ). NO means Normally Open: when the magnet separate, the circuit is conductive( light on );When the magnet together, the circuit is not conductive ( light off ).When make order,pls check carefully!

Brings functionality to your home or office While offering the trusted, enduring qualities

Item Dimension : (L x W x H) : 4.3 x 6.2 x 0.9

Made In United States

Country of Origin: United States

🔔INDUSTRIAL GRADE LOUD WIRELESS DOORBELL: 95db plug in receiver has a large 2 1/2" speaker with adjustable volume control AND is supplied with a large 6" loud ringing bell that connects to the 12v output allowing it to be heard in the noisiest of locations.

🔔LONG RANGE WIRELESS DOORBELL SIGNAL WILL PASS THROUGH THE TOUGHEST STRUCTURES: Up to 4000ft range capability with unparalleled signal prowess easily transmits through metal, reinforced concrete, stone, brick, wood & wood that most wireless door chimes can not.

🔔PUSH BUTTON TRANSMITTER & MAGNETIC DOOR CHIME: Waterproof dual purpose wireless transmitter can operate just like a standard doorbell push button - when someone presses the button, the chime will sound. Can also operate as a magnetic door chime with the included contact sensor alerting you every time a door is opened.

🔔EASY TO INSTALL & NO HASSLE PROGRAMMING: Heavy duty transmitter pairs easily to the plugin receiver. Receiver has four different zones and each zone will play one of twelve available sounds. 6" Bell simply connects to the receivers 12v output with supplied double strange 18AWG wire.

🔔COMPREHENSIVE COVERAGE FOR EVEN THE LARGEST AREAS: This commercial door chime for business entry gives you the ability to add an unlimited number of transmitters & receivers. Receivers have (4) 12VDC outputs (1 per each of the 4 zones) allowing you to add additional 12VDC devices (sirens, buzzers, bells, strobes, etc). Transmitters feature (1) N/O, N/C relay & plug in receiver has (1) “C” relay.

WIDE DETECT RANGE: up to 600 feet door/window open chime kit, completely cover your ideal detection range when you use it on your house or store, it will alarm immediately when the chime sensor separate over 0.4inch, so notes that the door sensor chime should be installed within 0.4inch gab

UP TO 62 RINGTONES CHOICE: it includes the pop songs in us, like” sugar”,” Billie Jean”,doorbell Dingdon ,Dog Barking etc., just chose your favorite one by the doorbell ring receiver,the led will flash when the music alarm, the ring volume has 5 levels to meet your needs at different time&places. smart memory: the door alarm receiver will keep the previous setting while plug in again

20 DOORCHIME SENSOR EXPANDABLE: either the receiver can be paired up to 20 chime sensors, or 1 door sensors can be paired up to 20 receivers.It is an adorable choice setting for the kids’ door, pets’ gate, roof window. (by adding new sensors, you can also pair different ringtone to each sensor, so that you can realize exactly which door is triggered)

EASY TO INSTALL: the doorbell chime kits have been paired before leaving the factory. just plug receive in an outlet, remove the sensor insulator, you can either use the double sides adhesive tape to stick or use the screw mounted to install on the door or window

OVER 1-YEAR QUALITY ASSURANCE: items we offer 12 months replacements service, any defective parts just contact us for free replacements and we provide 30 days money back,24 hours customer service to reach your 100% satisfaction.

🎄DOOR SENSOR CHIME FOR BUISNESS WHEN ENTERING : This door entry chime can be used as a doorbell for your retail shop for your commercial to remind you when someone walk in your store, you will never miss any customers(visitors).

🔔55 MUSIC WITH MUTE TO LOUD DB: Door alert for business has 55 ringtones with 5 adjustable volume (0 dB to 110dB) for your choice. door chime for business with LED indicators are suitable for the elderly, Memory function: Keep the previous setted tune after re-plugging it.

🎅LONG RANGE & EXPANDABLE:The receiving distance of door open alarm is1000ft,you Don't worry about missing any ringtone reminder.Receiver supports to program multiple business door chimes, each door sensor can program multiple receivers.

☃️EASY INSTALLATION: For this wireless entry alert chime, please install AFTER pairing, just plug the receiver into outlet, tear the double-side adhesive tape stick door sensors to any doors or windows.The door chimes when door opens for home is small and light so can be installed in most flat places indoors.

🎁🎁HEART-WARMING GIFT & WARRANTY:You also can use this entry alert chime as a gift for relatives and friends to used to remind visitors, family anti-theft,etc. It has a 1-year warranty and please contact us if you have any questions for our door bells chimes , and we will serve you wholeheartedly.