... no need to climb up and down to check the level.Specifications Parameter nameParameter DescriptionSupply voltage and power consumption(90-250) ... 51*71mmMachine size58*78*85mmDisplayLED highlighted Digital tube graphic displaywater level measurement rangeWater shortage,30%,50%,80%,100%Set full water ... ,30%,50%,80%,100%InputA group of AT35-5 level sensor input signal line to extend the effective range ...