PACKAGE :- WLI-1 Water level indicator unit (without sensor) ,Warranty card WARRANTY:- :- 1 year manufacturer warranty :- Warranty not covered physical damage WORKING:- :- When user switch on system and water tank fill 25% then low level led run glow. :- When water tank fill 50% then medium level led run glow. :- When water tank fill 75% then high level LED run glow. :- When water tank fill 100% then buzzer run make high quality sound to switch off system. FEATURES:- :- Realtime 25%,50%,75%,100%, water level indicator. :- No water wastage. :- No power wastage. :- High quality shock pruf plastic box. :- Maintenance free. :- Long life system. WORNING:- YOU CAN USE ANY TYPES OF WIRES AS A SENSOR WIRE BUT MAKE SURE AND CHECK IT. BEFORE ATTACHING INDICATOR UNIT , THERE WILL NEITHER CUTS NOR MOISURE IN WIRE . IF THERE IS ANY TYPES OF MOISURE OR CUTS OR SOCK CURCUIT IN WIRES THEN INDICATOR WILL NOT WORK PROPERLY. :- SENSOR IS NOT INCLUDED WITH INDICATOR UNIT BUT DON’T WORRY YOU CAN USE ANY METAL NUT-BOLT AS A SENSOR FOR INDICATOR UNIT.