Description This self-adhesive water level gauge is designed to provide a clear and accurate indication of water levels in household water tanks, reservoirs, or aquariums. Its reflective surface allows visibility even in low-light conditions, making it a reliable tool for monitoring water levels with ease and precision. Features -Color:Transparent -Material:Acrylic -Size:25.00X6.00X0.10cm/9.82X2.36X0.04in -Realtime monitoring: easily track water levels in your household tanks to prevent overflow or dryness, allowing a consistent and safe water supply for daily use -Highprecision scale: the adhesive water gauge features accurate measurement markings, allowing you to effortlessly gauge water volume and plan resource usage more effectively -Firm material: this adhesive water tool is crafted from lasting materials that resist damage even after prolonged water exposure, reducing the need for frequent replacements -Clear visibility: designed with bold and reflective markings, making it easy to read water levels even in lowlight or nighttime conditions -Easy installation: simple to apply on various household water tanks, enhancing water management efficiency without the need for professional toolsPackage list: 2 x water level rulers