Usage Tips:The 5-In-1 EC TDS Salinity Temperature pH Meter is an essential tool for anyone who needs to monitor water quality in various applications. Whether you're testing the salinity of your aquarium, checking the pH levels of your drinking water, or ensuring the quality of beverages and food, this versatile meter has you covered. With its ability to measure Electrical Conductivity (EC), Total Dissolved Solids (TDS), salinity, temperature, and pH, you can get a comprehensive understanding of your water's quality. The device is designed for ease of use, featuring a clear LCD display that shows all measurements simultaneously. Detection function:detect TDS, conductivity, pH, salinity, temperature Application environment:0-60(32.0-140) RH100% Working temperature:ATC0-60 Automatic shutdown:standby for 5 minutes, automatic shutdown Battery specification:4 x LR44 1.5V button batteries(Not included batteries) Screen size:33x24mm (LCD digital display) Body size:183x37x23mm Backlight:Backlight Waterproof rating:IP67 Colour:Blue & White Material:ABS Package Contents: 1 * Water quality detector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.