... (LR6)Capability: 450mlSensor distance: 3 ± 0.03 inchDrop: 1mlSize: 19.4 x 10 x 16.1cmPackage(18pcs): 13kgCHARACTERISTIC:1,Beautiful see ... switch.3,CPU control circuit great anti-interference capability.4,Power by 4 aa battery, upto 130,000 cycles.5,ABS plastic,durable ...