1. Features of SCNTCV products: - The dual pressure gauges can display pressure more quickly and facilitate pressure adjustment. - This product features a long service life, high quality, and greater safety and reliability in use. - It uses electro - plated pressure gauges, which are more durable, and the components are of high - quality specifications. - The product is made of high - quality materials, which allows for long - term and long - lasting 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, a 1 - 2 cm error is allowed. Please make sure you don't mind this before placing an order. Due to differences between different monitors, the pictures may not reflect the actual color of the item.