The sensors then send a stop signal to the electric motor of your garage door. eval(ez_write_tag([[300,250],'garagetransformed_com-medrectangle-3','ezslot_1',112,'0','0'])); The infrared beam from the garage door opener sensors isn’t able to be seen by human eyes. However, if you do decide to replace your old sensors, here are a few that I recommend:eval(ez_write_tag([[300,250],'garagetransformed_com-leader-1','ezslot_6',117,'0','0'])); The CR2149 universal sensor works with every major garage door brand. I’m betting that it’s easy to see if a child’s tricycle is in the way. These are the most common garage door opener sensors you’ll find. There are three primary types of photoelectric safety sensors on the market. Dust and debris can create a layer on the surface of the emitting or receiving sensor, producing a barrier for the light beam. As long as the beam isn’t interrupted, the door will open or close normally. Safety Sensor Eyes for 41A5034 Liftmaster Sears Chamberlain Craftsman Garage Door Opener (1 kit) - Updated Version 2.0, FREE Shipping on orders over $25 shipped by Amazon, Safety Sensors for Chamberlain/LiftMaster/Craftsman Garage Door Opener 41A5034, Set of 2, Safety Sensors Beam Eyes for Linear Garage Door Opener (HAE00002 LSO50 LDO33 LDO50), Two Doors, Nexx Smart Wi-Fi Controller NXG-200 - Remotely Control Existing Garage Door Opener with Nexx App, Works with Amazon Alexa, Google Assistant, Siri, SmartThings, No Hub Required, Black, MyQ Smart Garage Door Opener Chamberlain MYQ-G0301 - Wireless & Wi-Fi enabled Garage Hub with Smartphone Control, 1 Pack, Black, Safety Sensors for Chamberlain/LiftMaster/Craftsman Garage Door Opener 41A5034, Chamberlain / LiftMaster / Craftsman Garage Door Opener Replacement Safety Sensors G801CB-P, Includes 2 Sensors, Mounting Brackets and Hardware, Genie GSTB-R STB-BL Replacement Safety Beams, Black, 2 Pack, Black, one size (GSTB-R), Chamberlain 41A5034 Garage Door Opener Safety Sensor Kit Genuine Original Equipment Manufacturer (OEM) Part, LiftMaster Garage Door Opener Pair of Safety Sensors 041A5034, 41A5034 LiftMaster Sears Craftsman Sensor Cells Photo Eyes Garage Door Opener, Refoss Smart Wi-Fi Garage Door Opener, APP Control, Compatible with Alexa, Google Assistant, No Hub Needed, White, LINEAR Garage Door Openers HAE00002 Safety Sensor Kit LSO, LDO, Safety Sensor Eyes for 41A5034 Liftmaster Sears Chamberlain Craftsman Garage Door Opener (1 kit) - Newest Version 3.0, Genie Chain Drive 750 3/4 HPc Garage Door Opener w/Battery Backup - Heavy Duty Chain Drive - Operate your garage door when the primary power is out - Wireless Keypad Included, Model 7035-TKV,BLACK, meross Smart Wi-Fi Garage Door Opener Remote, APP Control, Compatible With Alexa, Google Assistant and IFTTT, No Hub Needed, for Linear HAE00002 Garage Door Opener Safety Beam Sensor, Safety Sensor Beam Eyes for 41A5034 Liftmaster Sears Chamberlain Craftsman Garage Door Opener w/ Brackets (1 kit), Chamberlain Group Chamberlain B970 Smartphone-Controlled Ultra-Quiet and Strong Belt Drive Garage Door Opener with Battery Backup and MAX Lifting Power, Blue, Safety Sensor Eyes for 41A5034 G801CB-P Liftmaster Sears Chamberlain Craftsman Garage Door Opener w/Brackets (2 Kits), Eapele 10ft Garage Door Threshold Seal Weatherproof Easy Cut Replacement Strip, Wireless Door Sensor Chime BITIWEND Alarm Contact Sensor Door Bell for Office/Home/Store,Door Open Chime Window Alarm Operate Range 600ft With 52 Chimes 4 Volume Level,1 Door Sensor+1 Plug-in Receiver, Liftmaster 8500 Wall Mount Garage Door Opener Package, Replacement Saftey Sensors for Linear Garage Openers (HAE00002, LSO, LDO), Seco-Larm E-931-S35RRQ Enforcer Indoor/Outdoor Wall Mounted Photoelectric Beam Sensor with 35 Foot Range, Digi-Code-Universal Sensors CR2149 Universal Garage Door Opener Safety Beam Sensor, Chamberlain Group B1381 Bright LED Lighting Smartphone-Controlled Ultra-Quiet and Strong Belt Drive Garage Door Opener with Battery Backup and Max Lifting Power, 1.25 hp, Blue, The Centurion - BU800 - Two Car Garage Door Opener, Smart Home Garage Opener - Alexa Enabled, Garage Security Sensors Included, No Subscription Fees - White, Genie StealthDrive Connect Model 7155-TKV Smartphone-Controlled Ultra-Quiet Strong Belt Drive Garage Door Opener, Wi-Fi & Battery, Backup - Works with Amazon Alexa & Google Assistant, Chamberlain Group B550 Smartphone-Controlled Ultra-Quiet and Strong Belt Drive Garage Door Opener with MED Lifting Power, Blue, Chamberlain Group C450 Smartphone-Controlled Durable Chain Drive Garage Door Opener with MED Lifting Power, Pewter, Liftmaster 41a5034 Garage Door Opener Safety Beam Kit, MyQ Smart Garage Door Opener Chamberlain MYQ-G0301 & Chamberlain Group myQ Smart Garage Hub Add-on Door Sensor MYQ-G0302 (Works with MYQ-G0301 and 821LMB Only), meross Smart Garage Door Opener Remote, APP Control, Compatible with Alexa, Google Assistant and SmartThings, Multiple Notification Modes, No Hub Needed Upgrade Version, White, Genie ALKT1-R Aladdin Connect Smart Garage Door Opener, Kit, Works with Alexa & Google Assistant, GoControl GD00Z-8-GC: Z-Wave Plus S2 Security, Black, Small, Universal Garage Door Wire 35265B 2 Conductor Bell Wire for Control Station / Sensors, Genie, Digi-Code for Stanley Garage Door Openers CR2149A Infrared Safety System 49522, Chamberlain/LiftMaster/Craftsman 940EV-P2 Garage Door Opener Keyless Entry Keypad, Security +2.0 Compatible, GoControl/Linear GD00Z-4 Z-Wave Garage Door Opener Remote Controller, Small, Black, Linear Garage Door Opener Safety Beam Set Model: HAE00002 Electronics, MoKo Newest Design Smart WiFi Garage Door Opener, Wireless Sensor System Wi-Fi Enabled Garage Door Remote Controller Work with Alexa, Google Home Assistant, Siri Shortcuts, No Hub Required, Safety Sensors Beam Eyes for Linear Garage Door Opener (HAE00002 LSO50 LDO33 LDO50), WiFi Smart Garage Door Controller Wireless Garage Door Opener WiFi APP Switch Remote Control Compatible with Alexa Google Home, Smart Wi-Fi Garage Door Opener Wireless Garage Door Remote, Open and Close Garage Door from Anywhere, Compatible with Amazon Alexa, Google Assistant, 37220R Genie GSTB-BX Garage Door Opener Safety Beam Set 27220R Safe-T Infrared, Safety Sensors for Chamberlain/LiftMaster/Craftsman Garage Door Opener (w/Brackets), Set of 2. Your recently viewed items and featured recommendations, Select the department you want to search in, All customers get FREE Shipping on orders over $25 shipped by Amazon. To adjust the modules, use the following steps:eval(ez_write_tag([[300,250],'garagetransformed_com-large-leaderboard-2','ezslot_3',116,'0','0'])); As I mentioned earlier, anything that breaks the beam will stop your door from opening or closing properly.