Features 1、Made of fine quality ABS, resistant to falling, abrasion and deformation. 2、Quick and accurate test. 3、One button to switch function. 4、Battary can be replaced easily. 5、Portable design for easy carrying and storage. 6、Real-time display the remaining battery power. 7、Automatic power-off after five minutes without use, saving power. Specification Light weight and portable, accurate water measurement, take care of the whole family's drinking/using water safety. Features: Made of fine quality ABS, resistant to falling, abrasion and deformation. Quick and accurate test. One button to switch function. Battary can be replaced easily. Portable design for easy carrying and storage. Real-time display the remaining battery power. Automatic power-off after five minutes without use, saving power. Specifications: Main color: white Main material: ABS TDS measuring range: 0-9999ppm Temperature measuring range: 0-45℃ Battery: 2 * AG5, 1.5V, 60mAh Item size: 148 * 17mm / 5.8 * 0.7in Item weight: 28g / 1.0ounce Package size: 170 * 40 * 14mm / 6.7 * 1.6 * 0.6in Package weight: 35g / 1.2ounce Packing List: 1 * Water Quality Tester Package List 1 * Water Quality Tester