1.Perfect compatibility;2.Fast response:<20ms;3.Simple operation interface;4.Beam Spacing:10mm,20mm,40mm,80mm SNC Series: 1. Fit for kinds of Machinery Fields*Comprise of emitter(transmitter), receiver, controller, connection cables and mounting fittings. 2. SNC series's specification * Fast response time <20ms.* LED indicator,easy to algin, display real-time working status.* Auto self-checking ...