Product Description Comprehensive Single-Door Security Kit: This kit includes two high-performance security sensors and pre-installed wiring, ensuring easy and convenient installation. Additional wiring connectors are also provided for easy installation. Enhanced Security Mechanism: Our security sensors project an invisible beam of light at the garage door opening; if any interference is detected, the garage door automatically reverses. This crucial feature helps prevent unwanted accidents, ensuring the safety of you and your family. Specific Compatibility: This product is designed specifically for linear garage door openers and is only compatible with models such as HAE00002, LSO50, LDO33, and LDO50, ensuring a perfect match and optimal function for these specific models. Model-Specific: Please note that this product is not a universal kit. Our security sensors are designed specifically for designated linear garage door models, ensuring a perfect match and optimal function for your specific garage door system. Reliable Aftermarket Replacement: These security sensors are designed as aftermarket replacements, offering the same high performance and reliability as original parts, ensuring your garage door always operates safely and efficiently. Color: As shown in the picture Material: Plastic Package Contents: 1 * Garage Door Security Sensor Kit This package only includes the above contents; other products are not included. Note: Light reflection and different monitors may cause the color of the item in the picture to be slightly different from the actual item. Measurement tolerance is +/- 1-3 cm.