1Has 4 different working modes, including automatic mode, setting mode, timing mode and manual mode. 2This pump pressure switch has a microcomputer chip to control your pump to work safely and efficiently. 3Can control the temperature and power, also has water shortage protection, timing function, antifreeze function, etc. 4The LCD display enables clear viewing, and the buttons on the panel largely simplify the operation. 5The combination of zinc alloy and ABS shell brings extra sturdiness, ensuring great durability as well. Item Type: Water Pump Pressure Switch Material: Zinc Alloy + ABS Function: Digital Display Intelligent Pressure Switch Model: MPC-03 Power Supply Voltage: AC220V 10% Rated Current: 2.5-3.0A Power Frequency: 50Hz Thread Shape: 3/8 Female Thread Pressure Range: 0.2-10kg/cm Control Power: 1000W (rated power: 800W) Fluid Temperature: 90 Water Shortage Protection: 3 minutes.Timing Setting: 0.5-24 Hours Antifreeze Temperature: 0-2 1 x Water Pump Pressure SwitchDo not use it outside the voltage and current range.