LED light TRDH04 2D Battery Operated Liquid, Gas, Water Transfer Pump with Auto-Stop System (Leak Protection) and Buzzer This pump isNOTfor drinking water Auto-Stop System with Buzzer: Full automatic sensing pump. Auto stop before overflowing by sensor Battery life is 5 hours and it cannot be replaced Original Liquid Transfer Pump! Don't be fooled by lesser quality Made in China imitation pumps Main Material: P.P, P.E, Acetal, Made in Korea