We provide a 1/4 inch standard extension rod, which can increase the length of the gun body and clean the hard-to-reach places.In addition, the gun body has a safety trigger lock to prevent accidents during use. Five colored nozzles have different spray angles (0 °, 15 °, 25 °, 40 °, soap spray mode). Choose the nozzle that fits your needs. Such as watering flowers, washing cars, cleaning the roof. If the hose has a M22-14mm connector with an inner diameter of 14mm, it can be connected directly to the hose. If the hose has a 15mm M22-15mm connector, we have provided a brass connector to connect the gun to the hose. The maximum pressure is up to 5000 PSI. The maximum flow is 8 GPM. Maximum water temperature is rated at 60°C/140F. Not suitable for water pipes and garden hoses. We specifically increased the height of the high pressure washer undercarriage cleaner, which makes the undercarriage cleaner no longer contact the ground, which is convenient for better cleaning work. Our water broom is made of high quality aluminum material, which is durable and not easy to wear. The two wheels are made of upgraded flexible rubber, which can be moved and used more conveniently. Including the high-pressure washer undercarriage cleaner, one 14 inch extension rod, one 8.5 inch curved rod and a 17 inch high pressure cleaner extension rods. All parts have a 1/4 "quick connection and can be used in high pressure washers with a maximum pressure of 4,000 PSI. Undercarriage cleaner mode: The undercarriage cleaner is used to clean road dirt, oil and fuel pollution under trucks, SUVs, cars, commercial vehicles and trailers, and avoid crawling under the vehicle. Water broom mode: Easy and fast cleaning of loose debris (sand, leaves, light soil) on sidewalks, driveways, decks, etc.