The ST200 manual details several integrated safety and operational features designed for residential use:

: Automatically reverses the door if it hits an object while closing or stops it if an obstacle is hit while opening.

Stanley ST200 is a discontinued garage door opener originally manufactured by the Stanley Works, which ceased production of garage doors and openers around 2001. While the unit itself is no longer manufactured, it is widely considered a reliable, durable, and efficient legacy model. Core Features & Functionality