Lutron SL-4010

features: * Display a large LCD display, easy to read. * Characteristics of the frequency area network " A " is designed according to IEC 651 Type 2 standards. * Mode network time " FAST " . * Features an adjustable VR for easy calibration. * Microphone condenser for high accuracy and long-term stability. * Function Max. Hold to store the maximum value on the display screen. * Warning indicator for over and under load. * Display LCD display is effective and clearly even under bright lighting conditions. * Using the components of a strong, durable, including ABS plastic casing. * Small and lightweight design, allowing use with one hand. * Indication of low battery.