Features: Dual Controlling Modes and Switches: automatic and semi-automatic mode switchable, and equipped with a hand switch and a foot pedal for control the glue dispensing by hand or foot. Automatic and Semi-automatic Glue Dispenser: humane functions, easier operation. LED Screen: LED screen displays the readout clearly, digitalized control to provide more accurate glue dispensing. Good Quality and High Reliability: metal body with edge, it is not easy to rust, solid and durable and the exact circuit board ensures the reliability of product and stable performance. High Pressure Gauge: the pressure gauge visually display the air pressure input by the air pump, so as to the burst of the air pipe in time. Fully Accessories: hand switch, foot switch, air tubes, liquid barrels, and steel needles, components are fully equipped, easy to install. Precise Control: built-in electrovalve to precise control the dispensing drops and dispensing cycle. Wide Application: widely used in electronics, aviation, optics, chemistry, automotive, , petroleum, packaging, jewelry, machinery and other fields. Specifications: Plug Type: plug Material: Metal Input Voltage: AC220Vu00B110 percent , 50Hz Internal Voltage: DC12V Air Input: 10-100psi Air Output: 1-80psi Auto Timing: 00.01-99.99s Interval: 0.1-9.9s(auto timing function) Minimum Deposit: 0.0001ml Manual Timing: Can continuously working Dispensing Way: 16 kinds of free way Item Size: 235 190 63mm or 9.25 7.48 2.48in Item Weight: 1925g or 67.91oz Package Weight: 2183g or 77.01oz Package Size: 27 21 14.3cm or 10.63 8.27 5.63in Packing List: 1 Glue Machine 1 Foot Switch 1 Hand Switch 1 Dispenser Stand 1 Air Tube to Barrel 1 Air Tube to Air Supply 1 Power Cable 2 30CC Liquid Barrel 6 Steel Needle