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 chromemore...
Hotel card key switch is the one-of-a-kind switch activated by hotel key cards and turns electrical circuits on or off when a key card is inserted or removed from its slot. more...