1. Features of SCNTCV products: - The dual pressure gauges can display pressure relatively quickly and facilitate pressure adjustment. - This product has a relatively long service life and offers certain safety and reliability in use. - It uses electro - plated pressure gauges, which are relatively durable, and the components are of certain specifications. - The product is made of good - quality materials, which allow for long - term use. - This component has a stable appearance and good performance. 2. Packaging contents: - 1 air compressor pressure switch controller for valves. 3. Specification parameters: - Material: stainless steel + copper + plastic - Rated voltage: 220/380 volts - Exhaust pipe: 6 mm/0.23 inches - Contact mode: normally closed - Bracket connector size: 20 mm/0.79 inches - Outer diameter of the pressure relief port: 9.5 mm/0.37 inches - Maximum current: 20 amps - Working pressure: 5 - 8 kg (90 - 120 psi) - Service life: 80,000 times - Switch pressure range: 0.5 - 0.8 MPa (5 - 8 bar) (90 - 120 psi) 4. Precautions: - Since the measurement is done manually, an error of 1 - 2 cm is allowed. Please make sure you can accept this before placing an order. Due to differences between different monitors, the pictures may not accurately reflect the actual color of the item.