1、The bottle surface has a measurement guide line. Easy to adjust the mixing ratio. 2、You can rotate the nozzle to change the spray pattern. 3、The dial on thetop to control the foam mixture. 4、It makes soft fluffy snow foam, fun and simply. 5、It works with any pressure washers, small and big are all working perfectly. 6、It saves water, It’s eco-friendly. 7、It’s touchless car wash, it saves your time and energy. 8、The thick foam suds melt rods and dirty on paint, thus it reduces swirl marks and scratches. 9、All plastics material, 750ml/250ml voloum, light weight and portable compare to 1L ones. The bottle surface has a measurement guide line. Easy to adjust the mixing ratio. It has a measurement guide line. Easy to adjust the mixing ratio. The dial on thetop to control the foam mixture. Features: The bottle surface has a measurement guide line. Easy to adjust the mixing ratio. You can rotate the nozzle to change the spray pattern. The dial on thetop to control the foam mixture. It makes soft fluffy snow foam, fun and simply. It works with any pressure washers, small and big are all working perfectly. It saves water, It’s eco-friendly. It's touchless car wash, it saves your time and energy. The thick foam suds melt rods and dirty on paint, thus it reduces swirl marks and scratches. All plastics material, 750ml/250ml voloum, light weight and portable compare to 1L ones. Specifications: Material: Solid Brass, Resistant Nylon, & PA bottle Capacity of bottle: 750ML, 250ML (optional) Pressure range: 60 bar ~ 160 bar (900 psi ~ 2320 psi) Nozzle internal diameter: 8.0mm / 0.3in Nozzle external diameter: 20.66mm / 0.8in Maximum Water Temperature: 60℃ Max Pressure of sprayer nozzle: 15MPA Foam Consumption Adjustable: Yes Spray Width Adjustable: Yes Lance length: 208mm / 8.2in Bottle size: 250ml: 125 * 73mm / 4.9 * 2.9in 750ml: 180 * 95mm / 7.1 * 3.7in Weight: 250ml: 192g / 6.8ounce 750ml: 234g / 8.3ounce Package size: 240 * 220 * 120mm / 9.4 * 8.7 * 4.7in Package weight: 250ml: 197g / 6.9ounce 750ml: 280g / 9.9ounce Packing List: 1 x Foam Lance with Adapter 1 x PA Bottle 1 x Straw 1 x Foam Lance with Adapter 1 x PA Bottle 1 x Straw