The DITEK Snap-Lite quick-connect line protector is designed specifically for Voice/ Data professionals. The Snap-Lite provides both voltage and current limiting in addition to surge protection. The unique multi-function diagnostic LED shows protection status, line continuity and line usage. Available in four different voltages, there is a Snap-Lite for virtually any analog 66 block application. Also known as -Ditek 66 BLOCK SNAP ON 1PR W/ LIGHT - DK-SL130B