Features Indicator Light for Easy Monitoring: The upgraded elevator leveling sensor features an indicator light, providing convenient visual feedback during operation. Compatible with OTIS Elevators: Specifically designed for the XAA177HD1 model, ensuring perfect compatibility with OTIS elevators. Rapid Response and High Sensitivity: Boasting a rapid response speed and high sensitivity, this elevator photoelectric level switch delivers reliable performance for precise leveling control. Durable Premium Material: Crafted from premium materials, this elevator photoelectric level switch is resistant to high and low temperatures and is built to withstand impact, ensuring long-lasting durability. Hassle-free Installation: This elevator level switch serves as a perfect substitute for the original, offering a simple and convenient installation process. Specification: Item Type: Elevator Leveling Sensor Material: ABS Applicable Model: For OTIS Model: XAA177HD1 Package List: Item Type: Elevator Leveling Sensor Material: ABS Applicable Model: For OTIS Model: XAA177HD1 Package List 1 x Elevator Leveling Sensor