Type: Optical level sensor Input voltage: DC5V~28V Output signal: TTL Size: M16x1.5 IP grade: IP68 Accuracy: ±1 mm Life time:50,000 h Material: PSU & Stainless steel Cable and connector:Customized No mechanical moving components and with high reliability; Strong corrosion resistance; High liquid level control precision and can be installed from any direction; The sensor itself satisfies RoHS requirements;