Product features

Dimensions: 86 mm (length) x 86 mm (width) x 35 mm (depth), as shown in product diagrams.

Material: Plastic. The material is fireproof, according to the listing on Alibaba.

Compatibility: This model is designed for use with the YLI PBK-812 series of exit buttons and other compatible 86 x 86 mm panel accessories.

Application: Intended for mortise installations, where the box is recessed into a wall or doorframe. It also offers outdoor application compatibility.