This is the Double-Action Paint Gun from Hobbico. FEATURES: Double-Action trigger air-paint control w/internal mix Precision-machined fine nozzle Suitable for large painting projects Operates at 15-30psi INCLUDES: One DA500 airbrush One 22cc side mount paint cup One 5 foot vinyl hose One ¼" to 5mm compressor adapter One wrench One instruction sheet REQUIRES: Compressed air (Compressor or Can Propellant) SPECS: PSI: 15 to 30psi Power requirements: At least 1/12 horsepower compressor Hose fittings size: 5mm COMMENTS: If Compressor is needed, use HCAR4051 If Can Propellant is needed, use HCAR4020 NNA 12/23/04 ir/jxs