1、Application place: automatic control of water supply and drainage for industrial and agricultural production, treatment of water supply and drainage for residential buildings, scientific experiments as automatic components of water drainage 2、Beautiful appearance, clear printing and easy to see 3、Wide voltage range, high contact capacity and high stability 4、The panel is made of high quality material, which is safe to use 5、Liquid level dedicated integrated chip, strong anti-interference Features: Application place: automatic control of water supply and drainage for industrial and agricultural production, treatment of water supply and drainage for residential buildings, scientific experiments as automatic components of water drainage Beautiful appearance, clear printing and easy to see Wide voltage range, high contact capacity and high stability The panel is made of high quality material, which is safe to use Liquid level dedicated integrated chip, strong anti-interference Specification: Model: AFR - 1 Type: level control switch Rated current: 5A Operating voltage: AC220V 50/60hz Power:≤2w Detection voltage: <10V Temperature: 15℃~ + 40℃ Color: black Size: 80*50*75mm/ 3.1*2*3in Weight: Approx.190g/ 6.7oz   Package list: 1 x AFR-1 Relay