The product needs to be used together with the vacuum pump. How to Use 1. Put the confetti into the pump. 2. Connect the air pump and add 5.51-39.68lb of air. 3. Use remote control to remotely control the jet. 2PCS Confetti Launcher Machine Our confetti machine is suitable for openings, celebrations, and large and medium-sized performances. With color paper sprayed into the sky, the color paper will push the scene's atmosphere to a climax. Fine stainless steel makes the product sturdy and durable, ensuring a long-term use. Package Included 2*Confetti Machines 2* Power Cords 1*English Instruction 2*Pumping Tubes 2*Remote Controls Specification Material: Stainless Steel Spray Angle: Adjustable Voltage: AC110V 50Hz ED: 100% IP: 00/65 Assembly Required: Yes Mount Type: Free Standing Number of Items: 2 Compressor Type: 2-4L/84.54-169oz Protection Grade: IP65 Power: 150W Weight: 9.2kg/20.28lb Air Store: 2.5-18kg/5.51-39.68lb Control Mode: Remote Control (10m/ 32.8 ft) Battery Type: 1* Battery (Included) Jet Height: 10-15m/393.70-590.55 inch Power Cord Length: About 1.2m/ 3.94ft Packing Size:56*45*21cm/22.05*17.72*8.27in Product Size:25*30*63cm/9.84*11.81*24.80in