Two modes to choose from: manual and automatic. The air switch chain structure is more durable. Flame retardant shell made of advanced PC material, resistant to high temperature and non-toxic. Suitable for various household appliances and industrial equipment, helping to prevent power outages. High-concerned chemical: None Current: 125A Switch type: Knob switch Item type: Switches Type: Generator type Color: As shown Material: PC Specification: 2P Note: Due to different batches, there may be slight differences in product appearance and printed text, which do not affect normal use. Package contents: 1 x Changeover Switch Only the above items are included; other accessories are not included. Note: Light reflection and differences in display screens may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm.