Features:1. The measurement data is visualized and recordable through the wireless of the mobile phone, helping us make the measurement more convenient and accurate.2. Durable material: This product is made of high quality ABS material, durable and long service life.3. A newly improved professional multimeter, which can realize remote operation and measurement via wireless technology.Specifications:Material: ABSUpdate Rate: 3 times / secondBattery Type: 2 * 1.5V AA Battery (not included)