Material: ABS (smooth surface, very strong); Size: 23cm * 25cm * 5.5cm. Multi-mode: four modes to set, Mode 1: red button on the right. The blue button on the left (access + exit) enables this. Mode 2: red button on the left. Blue button on the left, (entry + exit) prohibited. Mode 3: red button on the left. Blue button on the right, access authorized + exit prohibited. Mode 4: red button on the right. Blue button on the right, entry prohibited + exit permitted. Wide application: suitable for most cats and doors. With lock: With lock, when not in use, you can lock it, safe to use. Good heat insulation: no air passage after closing. good thermal insulation 4-way locking: only, locked, only extended, unlocked This door is suitable for most cats and small animals No more jumping on the doorknob, no more scratching at the door and no more barking to say she wants out! The locked door protects your home from stray dogs or cats when you are not at home