? CONVENIENT LOCK — The button switch is rotatable in 4 directions, you can easily rotate it in 4 modes with the arrow and icons to control the access options of your chat: by yourself, outside, only entry and exit, totally blocked. ? ENHANCED BRUSH PULLING Weatherproof — Provides a fixed groove with snap tabs for the weatherproof brush strip, firmly fix the brush strip. Even if the brush comes off, it is easy to reinsert it into the fixed housing. It greatly helps the brush to reduce noise, stop rain, wind or pest such as mosquitoes as much as possible. ? DANGERS OF SCREWS — Supplied with 2 packs of 8 screws each, one with short screws and one with long screws. Please screw them on both sides to avoid breakage, not just one side. You can make 8 screws for the 4 screw holes with the long + long, long + short or short + short assembly, depending on the depth of the door / wall to be installed. APPLICABLE FOR — Inner size 18 * 19.5. And the exterior size is 23.5 * 5.5 * 27. It
