Battery Included: No High-concerned chemical: None Power Type: Pneumatic : Package Included : 1 x Blower 1 x -Shaped quick connector 1 x 5m Coiled Hose Features: 1,Pneumatic Air Duster With 5.5mm Steel Nozzle 2,-Shaped quick connector with bronze ball automatic shut-off valve 3,Hose and duster equipped with quick swivelling couplers(With bronze ball auto shut off valve) 4,Specially designed for efficient blowing of air, the cleaning of parts and surfaces etc. 5,Ideal for dust cleaning at factory, school, home or anywhere else with dust. Specifications: new Material: plastic + mental Color: blue, as picture shows Hose Fitting size: 6mm Nozzle Diameter: 5.5mm Coiled Hose Length(After stretching): 5m Hose Outer Diameter: 6mm Detail size: as picture shows Weight: 0.38kg Working pressure: 1.0MPa Scope of application: Auto maintenance/furniture/industrial assembly line Package Contents: 1 x Blower 1 x -Shaped quick connector 1 x 5m Coiled Hose Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.