Features: Thread: G1/2. easy installation. Operating voltage range: DC24V. Inner diameter/outer diameter: 11mm/20mm. Suitable for pig feeder, pig feeding machine accesories. Made of high quality material, durable, sturdy & long for time service. Specifications: Main body: approx 9x13x5cm/3.5x5.1x2in Thread: G1/2 Operating voltage range: DC24V Inner diameter/outer diameter: 11mm/20mm The length of the screw tooth: 12mm Output pulse high level:>DC4.7V (input voltage DC5V Output pulse low level: <DC0.5V (input voltage DC5V) Insulation resistance:>100MQ Flow range: 2~30LIMIN】±5% Package Includes: 1x Flow Meter with Solenoid for Valve note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.