Imax (access via transformer) Data display: LCD display Backlight: No Power indication: Green light Electric energy pulse indication: Red light (When there is a sampling signal, it lights for about 80ms) Mounting method: 35mm DIN rail Working environment: -25鈩儈55鈩? 鈮?5% RH Size: 78.5*36.5mm / 3.09*1.44in Package weight: Approx. 131g/4.6oz Package List 1 * Energy Meter 1 * Buckle 4 * Seal Caplow price Energy Meter Parts website:http://www.jianxintechnical.com/energy-meter-parts/