CHARCTERISTICS: Any cards can be inserted for power The relay is activated for power through obstructing the infrared signal. It is common type of card control and is suitable for general energy-saving management control. APPEARANCE INTRODUCTION: 1. Finish of cover(pearl chrome(PCR) / Satin chrome(CCR) / Zirconium Gold / Bright chrome / ABS; 2. Dimension:86*86*42mm; 3. Standard BS4662 BASE BOX WITH EMBEDDING INSTALLATION. SPECIFICATION:1. iNPUT:100~240v ac; 2. Current loading:16A(Max 30A) SK-ES2000RF Hotel card key switch