Features: 100% brand new and high quality BIO energy test pen, water, mineral water, pure water and energy used in the detection, the difference between a general trace elements and minerals in the water can increase the energy in the water. BIO energy test pen is widely used in various energy generator of energy detection, can also be used to check the purity of pure water, wine. BIO energy test pen, simple operation, convenient carrying and use. Specifications: Material: Plastic Size: 125mm x 17mm x 11mm Color: Black&Red Method of application: 1. Remove the cap. 2. Put the pen into the solution under test can identify the difference between pure water and energy water. Light energy is mineral water, no light is pure water. 3. After use, Wiping clean the probe Package includes: 1pc BIO Meter Pen