- Gear-position switch: the switch uses a gear-position design for safe, convenient operation. - Lamp socket: high quality lamp holder, robust and durable, easy to disassemble, rust-resistant. note: does not include a light source. - Premium stainless steel lampshade: durable, high temperature resistant, maintains shape; available in multiple colors for a stylish look. - Telescoping adjustment knob: rope design with a reel-type mechanism, free tension adjustment; highly elastic spiral wire, can extend about 100,000 cycles and offers far longer life than inferior wires. - Ventilation openings along the edge of the lamp head: distributed to vent heat in time, significantly extending lamp life. Use scenarios: - Home office task lighting for focused, adjustable illumination at your desk. - Workshop or studio tasks that require durable construction and reliable heat management. - Display or gallery lighting where steady, long-lasting light is advantageous.