ZC-JM mirror sensor light box is a new type of light box. It is the combination of mirror and light box. Control on/off by infrared ray sensor, when people approach, it display a mirror, when people away, it display a picture. Fully automatic replacing between poster and mirror.Sensor:instantaneous/delayed reaction. [time can be adjusted].It is largely used in bars, restaurant, shop-chains, home-decoration, window display and washrooms in Hotels and entertainment. Material: Crystal light box, without frame.Configuration: mirror board + sensor +optical light panel+ thin back board for stability.Edge lit with SMD led lighting. Sizes A4, A3,A2,A1 and custom sizes.