BLAN-KJZ01 Air Drop Gate:

The chassis is made of 2mm thick iron plate with internal reinforcing ribs. It features automotive-grade paint finish, a thickened core, a 250W DC brushless motor with adjustable speed and obstacle detection/bounce function, high-quality components on the main board, digital limit switches, a brand-name power supply, and brand-name circuit breakers. High-quality springs are used: 4-meter poles have 4 or 6 springs, 5-meter poles have 6 springs, and 6-meter poles have 8 springs. The main pole measures 150×50×1.5mm, the secondary pole 85×44×1mm, and the two horizontal and vertical bars are 55×15×1mm. The support rods are telescopic and have spring-loaded feet for stable landing. The gate can accommodate poles up to 6 meters long and weighs 280 catties (excluding the pole). It comes with a 2-year warranty!