2026 Upgraded 820CB Safety Sensor Kit, Garage Door Sensor Compatible with Liftmaster Chamberlain Craftsman Garage Door Openers After 1997, Replacement 41A5034 G801CB-P 801CB 041-0136

About this item

• Universal Compatibility - 820CB Garage door sensor Works with ALL Liftmaster, Chamberlain, Sears, Craftsman garage door openers manufactured AFTER 1997; Direct replacement for 41A5034 G801CB-P 801CB 041-0136, and other compatible models; No programming needed, plug-and-play design
• 2026 Upgraded Version Sensing Response Speed - Working principle of the garage door replacement sensor is to stop closing the garage door after sensing an object. Therefore, the sensing speed of the sensor will become very important. We use the latest infrared sensing technology, which is more sensitive than previous infrared sensing. Replace the material with high temperature and cold resistance. Adapt to temperature changes and work stably. Paired with copper core wires with better conductivity and corrosion resistance, it ensures faster transmission of sensing signals to the garage door controller. Increase security.
• When do you need to replace our sensors - original sensor is damaged and no longer works, the sensing speed of the sensor slows down, the sensing performance of the sensor deteriorates after being stimulated by sunlight, and the original sensor does not work in high temperature and cold conditions.
• Quick and tool free installation - The package comes with a detailed instruction manual. You can quickly complete the replacement according to the manual and accompanying accessories. Please note: During installation, please ensure that the two sensors are on the same horizontal line and the distance does not exceed 15 meters. After installation, it is necessary to test whether the sensor is working properly. If the sensor is not working stably. Please inform us promptly. We will assist you in troubleshooting
• BNRSZ brand plug and play garage door safety sensor will be continuously updated and upgraded - We will collect the reasons for user malfunctions and actual usage situations. Timely update and improve our garage door photo eye sensor. Ensure that the overall performance of the sensor is superior to traditional sensors.
• Ensure high-quality service while upgrading products - If you use our sensors. A malfunction has occurred. Please inform us promptly. We will assist you in troubleshooting. Unable to repair the situation. We will arrange for Amazon to send you the latest sensor kit.