1. Sturdy and durable extruded anodized aluminum housing
2. LED Lighting: Red: Standby/Locked.Green: User Mode/Unlockedblue: administrator mode
3. Polymer sheathing, wear-resistant, alphanumeric keypad
4. Epoxy coating
5. Safe microprocessor compatible with Common Criteria EAL4+
6. Shift key/ON-OFF button
7. Key button
8. Rubber Gasket - Make the module waterproof when the sleeve is installed
9. Can be attached to key ring (Zinc Alloy)