BUOYANT FORCE OF THE LIQUID ON THE FLOAT IS USED FOR MOVEMENT OF THE PERMANENT MAGNET CLOSER TO OR FURTHER AWAY FROM REED SWITCH AND INITIATES THE SWITCHING FUNCTION OF HIGH AND LOW LEVEL. THE UNIQUE FEATURE OF REED SWITCH TECHNIQUE IS ADOPTED. PRODUCT TECHNIQUE, CONCEPT, MERIT, QUALITY AND UNPARALLEL RELIABILITY ARE THE UNDERLYING REASONS FOR ENVIABLE PERFORMANCE RECORD. LEVEL SWITCHES WITH MICRO SWITCH AND AIR BREAK TYPE SWITCH IS ALSO AVAILABLE.