Power Savers

We are offeirng power savers-ess -85-y, the guest opens lock by card and enters the room then he inserts this card into this switch so that the room gains power if he leaves the room, he should take the card away from the switch and the room loses power in 15 seconds four types: any card switch (any card can gain the power) ic chip card switch (only chip outside card can gain the power) 125khz card switch (such as temic card or em card can gain the power) 13.56mhz card switch (such as mifare card can gain the power).