Most stair gates use a child-resistant double-step or two-step locking handle designed for one-handed adult operation—commonly described as a "pull-and-lift" or two-step safety lock.
Yes. Pressure-mounted gates commonly include a visible pressure indicator—often a clear red mark. Instructions note you should tighten if the button doesn't cover the red mark; the gate is secure when the lock or button covers the red mark.
Some gates include one or more extensions along with mounting hardware and an instruction manual. Product listings show options with multiple extensions (for example, two-extension and three-extension configurations) packaged with the required mounting equipment.
Common features include flat anti-stumble/anti-trip pedals that lower the threshold profile, no-bottom-bar or no-threshold walk-through designs, and V-shaped screws or brackets that improve grip when mounting to stair railings.
Many gates auto-close when swung open less than 90° and stay open if pushed to or past about 90° to create a hold-open position. Some models also offer wider swing/auto-close options (up to 180°) depending on the design.