... colorPure whiteService lifefull-load (220v)of relay contact:>100 thousand times.Dimension86 * 86 mmRange of application&Functions and Features Intelligent insert card ... power switch is installed on the wall beside the door of guestroom, when people come, insert the card for power, ... power, all the appliances (light,air-condition,television,etc.)of the room c hotel power card switch all kinds ...