beam sensor,is made of one control mode and two ... eyes of automatic door ,to supervise the door of operation . beam sensor,General international optical lens design, and good focus, controlled ... Yishuguang one can control, Control can also be a double-beam. Block the light trigger, the output signal can contact the ... DC power input are valid.Size:eyes: 19mm(L)×13mm(D)control:123mm(L) × 50mm(W) × 32mm(H ...