1、Made of high quality material, durable to use. 2、High and low pressure limit control for refrigeration equipment or automation system air conditioning equipment. 3、Suitable for non-corrosive media such as air, liquid, etc. 4、Easy to install 5、The SPDT switch guarantees reliable contact switching. Features: 1. Made of high quality material, durable to use. 2. High and low pressure limit control for refrigeration equipment or automation system air conditioning equipment. 3. Suitable for non-corrosive media such as air, liquid, etc. 4. Easy to install. 5. The SPDT switch guarantees reliable contact switching. Specification: Condition: 100% Brand New Model: SPC-106E Pressure Adjustment Range (bar): -0.5 (min)-6 (max) Differential Pressure Adjustment Range (bar): 0.6 (min)-4 (max) Maximum Airtight Test (bar): 16.5 Micro Switch Life: 100,000 Times Applicable Refrigerant: Non-Corrosive Medium Such As Freon, Air, Liquid, etc. Application: Control the Pressure Difference Between the Liquid Pipe and the Liquid Return Pipe in the Water and Oil Series Weight: Approx. 409g / 14.4oz Package List: 1 * SPC-106E Controller 1 * Installing Support 1 * User Manual 4 * Screws