Overview(ES-002S) as an example:

The LEE DAN ES-002S is a surface-mount, 2-button lobby panel designed for economy and durability. The panel is constructed from extruded anodized aluminum with an ABS plastic speaker grille and protective weatherstripping on the back. It houses a 45-Ohm, weather-resistant Mylar cone speaker for clear audio. The unit includes two self-wiping push buttons with positive screw terminals for reliable, long-term use. For security, the panel is assembled with 'Scrulox' tamper-resistant screws. Identification is provided by metal nameholders for write-on cards alongside a permanently engraved number strip.

Specifications:

• Model: ES-002S

• Application: 2-Station Apartment Lobby Panel

• Mounting: Surface Mount

• Construction: Extruded Anodized Aluminum

• Security: 'Scrulox' Tamper-Resistant Screws

• Buttons: Self-Wiping with Positive Screw Terminals

• Standard Engraving: "1-2" (Model EN-002 strip)

Custom Engraving: Available upon request (e.g., "1A, 2A")