What is Electrical Muscle Stimulation (EMS)? Electrical stimulation is a technique that aims to stimulate the muscles using an electrical current in order to achieve a specific result. Electrical Muscle Stimulation (EMS) involves delivering small, low-voltage electrical impulses to a muscle via electrodes placed on the skin, in order to cause the muscle to contract. This muscle contracti...

Nitrate Tester - Can test total dissolved solids/water hardness to test contamination of home purification systems. Instant accurate readout - can display results in 3 seconds with an error of less than 10%. Easy to use color touch screen display with user friendly interface.Let you quickly understand the safety of fruits, vegetables, meat, fish, water and the surrounding environment.Light and com...